Q: What are the prime factors of the number 10,343,430?

 A: 2, 3, 5, 29, 1321

Why are those the prime factors of the number 10,343,430?

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 10,343,430

10,343,430
Factor Arrows
25,171,715
Factor Arrows
31,723,905
Factor Arrows
3574,635
Factor Arrows
3191,545
Factor Arrows
538,309
Factor Arrows
291,321

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, 5, 29, 1321

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 29 x 1,321 = 10,343,430

This can also be written as 21 x 33 x 51 x 291 x 1,3211 = 10,343,430

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


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