Q: What are the prime factors of the number 145,200,510?

 A: 2, 3, 5, 7, 13, 17729

Why are those the prime factors of the number 145,200,510?

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 145,200,510

145,200,510
Factor Arrows
272,600,255
Factor Arrows
324,200,085
Factor Arrows
38,066,695
Factor Arrows
51,613,339
Factor Arrows
7230,477
Factor Arrows
1317,729

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, 5, 7, 13, 17729

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 13 x 17,729 = 145,200,510

This can also be written as 21 x 32 x 51 x 71 x 131 x 17,7291 = 145,200,510

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


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