Q: What are the prime factors of the number 13,262,130?

 A: 2, 3, 5, 7, 2339

Why are those the prime factors of the number 13,262,130?

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 13,262,130

13,262,130
Factor Arrows
26,631,065
Factor Arrows
32,210,355
Factor Arrows
3736,785
Factor Arrows
3245,595
Factor Arrows
381,865
Factor Arrows
516,373
Factor Arrows
72,339

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, 5, 7, 2339

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 7 x 2,339 = 13,262,130

This can also be written as 21 x 34 x 51 x 71 x 2,3391 = 13,262,130

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


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