Program To Check If A Number Is Prime Or Not In Java | FREE DSA Course in JAVA

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Program To Check If A Number Is Prime Or Not In Java | FREE DSA Course in JAVA | Lecture 10

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Күн бұрын

Data Structures and Algorithms Free Course (Learn DSA Without Paise) Playlist - • Data Structures And Al...
We are up with the lecture 10 of our much awaited dsa course in java.
We are up with a new lecture in the mathematics module of our free dsa course. Today we will learn about how to find if a number is prime or not.
We will understand the complete logic behind prime number and what is the logic behind the program to find if a number is prime or not.
Finding whether a number is a prime number or not is a very popular programming question from the point of interview and every job aspirant must learn the concept behind this program.
In this lecture we will learn the complete logic behind the prime number identification program and the complete code in java as well.
Watch the complete lecture and add more expertise to your dsa learnings.
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Пікірлер: 40

@trijay 7 ай бұрын

I am a student of Rohit sir... Batch 2016 ... After that I am seeing him here... As usual very well explained sir...fan of you

@Krishnadev-od8nq Ай бұрын

sir the time complexity for this cannn also be minimize to o(1) or o(4) by this if(num==1)return false; if(num==2||num==3||num==5)return true; if(num%2==0||num%3==0||num%5==0)return false; return true; }

@11csepratikshaargulewar71 2 ай бұрын

At timestamp 27:00 checkPrime method isn't called .but it is called isPrime

@ROHITKUMAR-or9tk Жыл бұрын

We do i*i

@user-lv9rf1hv1u 4 ай бұрын

God bless you for this, THis is the best explanation every

@Poojayadav-hg4vw 4 ай бұрын

Your lectures are amazing !!

@monikaed.education4954 Жыл бұрын

Amazing and unique ways shared to solve and get outputs concepts it's really so much helpful I ever seen before ❤😮

@lakshmiram2935 7 ай бұрын

best video for beginners

@indirajithl1866 7 ай бұрын

Wonderful explanation I have ever had..

@jaykumarkota3161 Жыл бұрын

Amazing explanation❤

@travelpayya2668 Жыл бұрын

Sir awesome

@midlajahmad-cs0058 9 ай бұрын

one of the cool and crisp explaination

@Jdk281 10 ай бұрын

Love the way you teach...

@prantidatta3566 Ай бұрын

Please answer for 9

@iamdhanush03 9 ай бұрын

Amazing

@RaviGupta-vj1we 11 ай бұрын

excellent 🙂🙂

@sunthar16 8 ай бұрын

@4.50, num/2 == Last factor, but its not applicable for number - 9 , when 9/2 return 4, not factor 3

@ayantikapaik3688 9 ай бұрын

U are great🥺I got ur teeching so comfortable after hcf and lcm solution on java.

@_sarthakmisal 11 ай бұрын

@tapacademy sir you said 35 is included in sexy prime numbers but how it can be 28:26

@chiranjeevi.vchiru5161 9 ай бұрын

Whenever I see your videos and way of teaching, I get motivation for coding Rohit sir

@libertak1813 Жыл бұрын

you deserve more views

@hegde421201 Жыл бұрын

Excellent rohit ravinder

@user-wi5gm8zp7g Ай бұрын

This Logic does not work for higher numbers , it restricts you to lesser number only for Example 21 is divisible by 7 (7*3=21)

@charukeshck6502 Жыл бұрын

Sir U look like KL Rahul😄😄

@narayanavenkata2644 Жыл бұрын

Hello sir....can u please upload the video for finding.... square root (√x)....values...

@mahavir9267 5 ай бұрын

Thank you sir, but I have a doubt is 35 prime? Because it's factors: 1,5,7,35 🤔🤔

@116_likhitawanjari2 11 ай бұрын

editor so smart.

@alatheer2080 3 ай бұрын

35 is a not a prime number . there is a mistake in the last solution i think.

@swapnil72 10 ай бұрын

Till date this is the best video explanation I have seen on the analysis of prime number & how to find them in Java this video deserves the title of "fantastic primes and where to find them" 😅 This video perfectly explains the programming logic of finding primes whilst preserving the pure essence mathematical analysis ❤

@shitalshinde9387 Жыл бұрын

Sir 35 is not prime but In program we gave it as a prime . Then how can we solve it by other method.

@TAPACADEMY Жыл бұрын

Check your program again, it will not return prime for 35

@rahulgaikwad593 3 ай бұрын

is 25 prime? As per your logic 25 s prime. but actually its not

@chaituchaitanya6556 9 ай бұрын

Hi sir, at 4:42,you mentioned that the last factor is divided by 2. However, 2, 3, 4, 3, 5, 6, out of these highlighted numbers,2, 2, 5 are not divided by 2. Can someone please clarify where am I missing?