Q: What are the prime factors of the number 620,477,744?

 A: 2, 101, 599, 641

Why are those the prime factors of the number 620,477,744?

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 620,477,744

620,477,744
Factor Arrows
2310,238,872
Factor Arrows
2155,119,436
Factor Arrows
277,559,718
Factor Arrows
238,779,859
Factor Arrows
101383,959
Factor Arrows
599641

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, 599, 641

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 101 x 599 x 641 = 620,477,744

This can also be written as 24 x 1011 x 5991 x 6411 = 620,477,744

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


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