Q: What are the prime factors of the number 4,563,312?

 A: 2, 3, 13, 71, 103

Why are those the prime factors of the number 4,563,312?

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 4,563,312

4,563,312
Factor Arrows
22,281,656
Factor Arrows
21,140,828
Factor Arrows
2570,414
Factor Arrows
2285,207
Factor Arrows
395,069
Factor Arrows
137,313
Factor Arrows
71103

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, 13, 71, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 71 x 103 = 4,563,312

This can also be written as 24 x 31 x 131 x 711 x 1031 = 4,563,312

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


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