Class 6 Exam  >  Class 6 Questions  >  trick for finding a prime numbers Related: C... Start Learning for Free
Verified Answer
trick for finding a prime numbers Related: Class 6: Tips & Tricks, Su...
Ans.

Steps to identify prime numbers

1) Divide the number into factors

2) If the number of factors is more than two then it is composite.

Ex: 6 has three factors 2, 3, 1. So 6 is not prime
6 = 2 x 3 x 1

Before going into shortcuts to find large prime number, here are a few properties of Prime Numbers

1) The lowest even prime number is 2

2) The lowest odd prime number is 3

3) All prime numbers above 3 can be represented by the formula 6n + 1 and 6n -1 for n>=1

Prove It!

Take 5 = 6 x 1 -1
Take 7 = 6 x 1 + 1
Take 47 = 6 x 8 – 1

This question is part of UPSC exam. View all Class 6 courses
Explore Courses for Class 6 exam

Top Courses for Class 6

trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests?
Question Description
trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? for Class 6 2024 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? covers all topics & solutions for Class 6 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests?.
Solutions for trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? in English & in Hindi are available as part of our courses for Class 6. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free.
Here you can find the meaning of trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? defined & explained in the simplest way possible. Besides giving the explanation of trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests?, a detailed solution for trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? has been provided alongside types of trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? theory, EduRev gives you an ample number of questions to practice trick for finding a prime numbers Related: Class 6: Tips & Tricks, Subjects, Timetable, Study Material, Practice Tests? tests, examples and also practice Class 6 tests.
Explore Courses for Class 6 exam

Top Courses for Class 6

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev