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 ...
Discussion Forum Latest Questions
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. A prime number’s units digit cannot be 4 because numbers ending in 4 are divisible by 2, making them even. All even numbers other than 2 are composite, disqualifying them from being prime. Class 6 Mathematics Chapter 5 Prime Time ...