Q: What are the prime factors of the number 44,312,320?

 A: 2, 5, 13, 2663

Why are those the prime factors of the number 44,312,320?

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 44,312,320

44,312,320
Factor Arrows
222,156,160
Factor Arrows
211,078,080
Factor Arrows
25,539,040
Factor Arrows
22,769,520
Factor Arrows
21,384,760
Factor Arrows
2692,380
Factor Arrows
2346,190
Factor Arrows
2173,095
Factor Arrows
534,619
Factor Arrows
132,663

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, 5, 13, 2663

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 2 x 5 x 13 x 2,663 = 44,312,320

This can also be written as 28 x 51 x 131 x 2,6631 = 44,312,320

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


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