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Question 4 - Page 122 - Uses of Prime Factorisation - Chapter 5 Class 6 - Prime Time (Ganita Prakash)
Last updated at August 14, 2026 by Teachoo
Class 6 (Ganita Prakash & Old NCERT)
Chapter 5 Class 6 - Prime Time (Ganita Prakash)
- Factors and Multiples
- Common Multiples
- Common Factors
- Idli Vada Game
- Jumpy Jackpot
- Figure it out - Page 110, 111
- Prime Numbers
- Figure it out - Page 114, 115
- Co-prime numbers (and art)
- Prime Factorisation
-
Uses of Prime Factorisation
- Divisibility Tests
- Figure it out - Page 125, 126
- Fun with numbers
- Teachoo Questions - MCQs
- Teachoo Questions - Mix
- Teachoo Questions - Assertion Reasoning
- Teachoo Questions - Case Based
Transcript
Question 4 - Page 122 Guna says, “Any two prime numbers are co-prime?”. Is he right?Yes, Guna is right, with the understanding that he means any two different prime numbers. A prime number's only factors are 1 and itself. Therefore, two different prime numbers will only have 1 as a common factor, which is the definition of being co-prime.
