Q: What are the prime factors of the number 10,345,272?

 A: 2, 3, 7, 19, 463

Why are those the prime factors of the number 10,345,272?

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 10,345,272

10,345,272
Factor Arrows
25,172,636
Factor Arrows
22,586,318
Factor Arrows
21,293,159
Factor Arrows
3431,053
Factor Arrows
761,579
Factor Arrows
78,797
Factor Arrows
19463

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, 3, 7, 19, 463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 19 x 463 = 10,345,272

This can also be written as 23 x 31 x 72 x 191 x 4631 = 10,345,272

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


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