Q: What are the prime factors of the number 43,745,712?

 A: 2, 3, 31, 29399

Why are those the prime factors of the number 43,745,712?

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 43,745,712

43,745,712
Factor Arrows
221,872,856
Factor Arrows
210,936,428
Factor Arrows
25,468,214
Factor Arrows
22,734,107
Factor Arrows
3911,369
Factor Arrows
3129,399

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, 31, 29399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 29,399 = 43,745,712

This can also be written as 24 x 31 x 311 x 29,3991 = 43,745,712

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


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