Q: What are the prime factors of the number 13,126,464?

 A: 2, 3, 13, 1753

Why are those the prime factors of the number 13,126,464?

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 13,126,464

13,126,464
Factor Arrows
26,563,232
Factor Arrows
23,281,616
Factor Arrows
21,640,808
Factor Arrows
2820,404
Factor Arrows
2410,202
Factor Arrows
2205,101
Factor Arrows
368,367
Factor Arrows
322,789
Factor Arrows
131,753

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, 1753

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 13 x 1,753 = 13,126,464

This can also be written as 26 x 32 x 131 x 1,7531 = 13,126,464

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


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