Q: What are the prime factors of the number 435,651,020?

 A: 2, 5, 7, 61, 139, 367

Why are those the prime factors of the number 435,651,020?

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 435,651,020

435,651,020
Factor Arrows
2217,825,510
Factor Arrows
2108,912,755
Factor Arrows
521,782,551
Factor Arrows
73,111,793
Factor Arrows
6151,013
Factor Arrows
139367

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, 7, 61, 139, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 61 x 139 x 367 = 435,651,020

This can also be written as 22 x 51 x 71 x 611 x 1391 x 3671 = 435,651,020

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


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