Q: What are the prime factors of the number 43,500,807?

 A: 3, 7, 17, 4513

Why are those the prime factors of the number 43,500,807?

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 43,500,807

43,500,807
Factor Arrows
314,500,269
Factor Arrows
34,833,423
Factor Arrows
31,611,141
Factor Arrows
3537,047
Factor Arrows
776,721
Factor Arrows
174,513

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:

3, 7, 17, 4513

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 17 x 4,513 = 43,500,807

This can also be written as 34 x 71 x 171 x 4,5131 = 43,500,807

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


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