Q: What are the prime factors of the number 160,308?

 A: 2, 3, 61, 73

Why are those the prime factors of the number 160,308?

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 160,308

160,308
Factor Arrows
280,154
Factor Arrows
240,077
Factor Arrows
313,359
Factor Arrows
34,453
Factor Arrows
6173

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, 61, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 61 x 73 = 160,308

This can also be written as 22 x 32 x 611 x 731 = 160,308

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


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