Q: What are the prime factors of the number 165,125,300?

 A: 2, 5, 317, 5209

Why are those the prime factors of the number 165,125,300?

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 165,125,300

165,125,300
Factor Arrows
282,562,650
Factor Arrows
241,281,325
Factor Arrows
58,256,265
Factor Arrows
51,651,253
Factor Arrows
3175,209

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, 5, 317, 5209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 317 x 5,209 = 165,125,300

This can also be written as 22 x 52 x 3171 x 5,2091 = 165,125,300

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


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