Q: What are the prime factors of the number 1,563,264?

 A: 2, 3, 23, 59

Why are those the prime factors of the number 1,563,264?

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 1,563,264

1,563,264
Factor Arrows
2781,632
Factor Arrows
2390,816
Factor Arrows
2195,408
Factor Arrows
297,704
Factor Arrows
248,852
Factor Arrows
224,426
Factor Arrows
212,213
Factor Arrows
34,071
Factor Arrows
31,357
Factor Arrows
2359

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, 23, 59

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 2 x 3 x 3 x 23 x 59 = 1,563,264

This can also be written as 27 x 32 x 231 x 591 = 1,563,264

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


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