Q: What are the prime factors of the number 101,513,104?

 A: 2, 7, 11, 79, 149

Why are those the prime factors of the number 101,513,104?

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 101,513,104

101,513,104
Factor Arrows
250,756,552
Factor Arrows
225,378,276
Factor Arrows
212,689,138
Factor Arrows
26,344,569
Factor Arrows
7906,367
Factor Arrows
7129,481
Factor Arrows
1111,771
Factor Arrows
79149

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, 7, 11, 79, 149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 11 x 79 x 149 = 101,513,104

This can also be written as 24 x 72 x 111 x 791 x 1491 = 101,513,104

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


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