Q: What are the prime factors of the number 162,113,385?

 A: 3, 5, 7, 41, 37657

Why are those the prime factors of the number 162,113,385?

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 162,113,385

162,113,385
Factor Arrows
354,037,795
Factor Arrows
510,807,559
Factor Arrows
71,543,937
Factor Arrows
4137,657

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:

3, 5, 7, 41, 37657

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 41 x 37,657 = 162,113,385

This can also be written as 31 x 51 x 71 x 411 x 37,6571 = 162,113,385

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


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