Q: What are the prime factors of the number 100,013,210?

 A: 2, 5, 11, 17, 79, 677

Why are those the prime factors of the number 100,013,210?

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 100,013,210

100,013,210
Factor Arrows
250,006,605
Factor Arrows
510,001,321
Factor Arrows
11909,211
Factor Arrows
1753,483
Factor Arrows
79677

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, 11, 17, 79, 677

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 17 x 79 x 677 = 100,013,210

This can also be written as 21 x 51 x 111 x 171 x 791 x 6771 = 100,013,210

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


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