Q: What are the prime factors of the number 155,857,696?

 A: 2, 359, 13567

Why are those the prime factors of the number 155,857,696?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 155,857,696

155,857,696
Factor Arrows
277,928,848
Factor Arrows
238,964,424
Factor Arrows
219,482,212
Factor Arrows
29,741,106
Factor Arrows
24,870,553
Factor Arrows
35913,567

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 359, 13567

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 359 x 13,567 = 155,857,696

This can also be written as 25 x 3591 x 13,5671 = 155,857,696

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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