Q: What are the prime factors of the number 725,330,886?

 A: 2, 3, 7, 97, 178039

Why are those the prime factors of the number 725,330,886?

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 725,330,886

725,330,886
Factor Arrows
2362,665,443
Factor Arrows
3120,888,481
Factor Arrows
717,269,783
Factor Arrows
97178,039

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, 7, 97, 178039

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 97 x 178,039 = 725,330,886

This can also be written as 21 x 31 x 71 x 971 x 178,0391 = 725,330,886

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


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