You can form six numbers: 245, 254, 425, 452, 524, and 542. Among these, only 425 and 245 are primes. The others are divisible by 2 or 5, disqualifying them. Class 6 NCERT Ganita Prakash Chapter 5 Prime Time class 6 Mathematics ...
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The numbers 105 and 330 are products of exactly three distinct prime numbers. Their factorizations are: 105 = 3 × 5 × 7, 330 = 2 × 3 × 5 × 11 (distinct count: 3). Class 6 NCERT Ganita Prakash Chapter ...
True. Among primes, only 2 and 3 are consecutive. For all other primes, the next number is either even or divisible by a smaller prime, making it composite. This holds universally for prime numbers. Class 6 NCERT Ganita Prakash Chapter 5 ...
False. While most even numbers are composite, the number 2 is an exception. It is the only even prime number because it has exactly two factors: 1 and 2, distinguishing it from composites. Class 6 NCERT Ganita Prakash Chapter 5 Prime ...
False. Prime numbers have exactly two factors: 1 and the number itself. For instance, 7 has only two factors: 1 and 7, which is what defines it as a prime number. Class 6 Mathematics Chapter 5 Prime Time question answer Class 6 ...