Q: What are the prime factors of the number 101,121,560?

 A: 2, 5, 283, 8933

Why are those the prime factors of the number 101,121,560?

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 101,121,560

101,121,560
Factor Arrows
250,560,780
Factor Arrows
225,280,390
Factor Arrows
212,640,195
Factor Arrows
52,528,039
Factor Arrows
2838,933

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, 5, 283, 8933

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 283 x 8,933 = 101,121,560

This can also be written as 23 x 51 x 2831 x 8,9331 = 101,121,560

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


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