Q: What are the prime factors of the number 27,561,024?

 A: 2, 3, 59, 811

Why are those the prime factors of the number 27,561,024?

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 27,561,024

27,561,024
Factor Arrows
213,780,512
Factor Arrows
26,890,256
Factor Arrows
23,445,128
Factor Arrows
21,722,564
Factor Arrows
2861,282
Factor Arrows
2430,641
Factor Arrows
3143,547
Factor Arrows
347,849
Factor Arrows
59811

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, 59, 811

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 3 x 3 x 59 x 811 = 27,561,024

This can also be written as 26 x 32 x 591 x 8111 = 27,561,024

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


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