Q: What are the prime factors of the number 436,645,624?

 A: 2, 101, 251, 2153

Why are those the prime factors of the number 436,645,624?

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 436,645,624

436,645,624
Factor Arrows
2218,322,812
Factor Arrows
2109,161,406
Factor Arrows
254,580,703
Factor Arrows
101540,403
Factor Arrows
2512,153

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, 101, 251, 2153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 101 x 251 x 2,153 = 436,645,624

This can also be written as 23 x 1011 x 2511 x 2,1531 = 436,645,624

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


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