Q: What are the prime factors of the number 23,234,624?

 A: 2, 7, 31, 239

Why are those the prime factors of the number 23,234,624?

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 23,234,624

23,234,624
Factor Arrows
211,617,312
Factor Arrows
25,808,656
Factor Arrows
22,904,328
Factor Arrows
21,452,164
Factor Arrows
2726,082
Factor Arrows
2363,041
Factor Arrows
751,863
Factor Arrows
77,409
Factor Arrows
31239

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, 31, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 7 x 31 x 239 = 23,234,624

This can also be written as 26 x 72 x 311 x 2391 = 23,234,624

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


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