Q: What are the prime factors of the number 13,570,284?

 A: 2, 3, 7, 13, 17, 43

Why are those the prime factors of the number 13,570,284?

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 13,570,284

13,570,284
Factor Arrows
26,785,142
Factor Arrows
23,392,571
Factor Arrows
31,130,857
Factor Arrows
7161,551
Factor Arrows
1312,427
Factor Arrows
17731
Factor Arrows
1743

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, 7, 13, 17, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 17 x 17 x 43 = 13,570,284

This can also be written as 22 x 31 x 71 x 131 x 172 x 431 = 13,570,284

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


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