Q: What are the prime factors of the number 40,662,064?

 A: 2, 1129, 2251

Why are those the prime factors of the number 40,662,064?

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 40,662,064

40,662,064
Factor Arrows
220,331,032
Factor Arrows
210,165,516
Factor Arrows
25,082,758
Factor Arrows
22,541,379
Factor Arrows
1,1292,251

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, 1129, 2251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 1,129 x 2,251 = 40,662,064

This can also be written as 24 x 1,1291 x 2,2511 = 40,662,064

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


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