Q: What are the prime factors of the number 11,464,544?

 A: 2, 7, 13, 31, 127

Why are those the prime factors of the number 11,464,544?

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 11,464,544

11,464,544
Factor Arrows
25,732,272
Factor Arrows
22,866,136
Factor Arrows
21,433,068
Factor Arrows
2716,534
Factor Arrows
2358,267
Factor Arrows
751,181
Factor Arrows
133,937
Factor Arrows
31127

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, 7, 13, 31, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 13 x 31 x 127 = 11,464,544

This can also be written as 25 x 71 x 131 x 311 x 1271 = 11,464,544

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


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