Q: What are the prime factors of the number 131,302,314?

 A: 2, 3, 11, 13, 29, 1759

Why are those the prime factors of the number 131,302,314?

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 131,302,314

131,302,314
Factor Arrows
265,651,157
Factor Arrows
321,883,719
Factor Arrows
37,294,573
Factor Arrows
11663,143
Factor Arrows
1351,011
Factor Arrows
291,759

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, 11, 13, 29, 1759

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 13 x 29 x 1,759 = 131,302,314

This can also be written as 21 x 32 x 111 x 131 x 291 x 1,7591 = 131,302,314

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


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