Q: What are the prime factors of the number 100,042,503?

 A: 3, 11, 479, 6329

Why are those the prime factors of the number 100,042,503?

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 100,042,503

100,042,503
Factor Arrows
333,347,501
Factor Arrows
113,031,591
Factor Arrows
4796,329

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, 11, 479, 6329

We can check our work by multiplying all of the prime factors together: 3 x 11 x 479 x 6,329 = 100,042,503

This can also be written as 31 x 111 x 4791 x 6,3291 = 100,042,503

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


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