Question

Determine the prime factorisation of each of the following positive integer:
(i) 20570 (ii) 58500 (iii) 45470971

Answer 1

TO EXPRESS: each of the following numbers as a product of their prime factors.

1. 20570

20570 = 2 x 5 x 11 x 11 x 17

2. 58500

58500 = 2 x 2 x 3 x 3 x 5 x 5 x 5 x 13

3. 45470971

45470971 = 7 x 7 x 13 x 13 x 17 x 17 x 19