Q: What are the prime factors of the number 130,464?

 A: 2, 3, 151

Why are those the prime factors of the number 130,464?

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 130,464

130,464
Factor Arrows
265,232
Factor Arrows
232,616
Factor Arrows
216,308
Factor Arrows
28,154
Factor Arrows
24,077
Factor Arrows
31,359
Factor Arrows
3453
Factor Arrows
3151

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, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 151 = 130,464

This can also be written as 25 x 33 x 1511 = 130,464

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


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