Q: What are the prime factors of the number 43,377,042?

 A: 2, 3, 97, 74531

Why are those the prime factors of the number 43,377,042?

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 43,377,042

43,377,042
Factor Arrows
221,688,521
Factor Arrows
37,229,507
Factor Arrows
9774,531

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, 97, 74531

We can check our work by multiplying all of the prime factors together: 2 x 3 x 97 x 74,531 = 43,377,042

This can also be written as 21 x 31 x 971 x 74,5311 = 43,377,042

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


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