Q: What are the prime factors of the number 605,671,344?

 A: 2, 3, 59, 89

Why are those the prime factors of the number 605,671,344?

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 605,671,344

605,671,344
Factor Arrows
2302,835,672
Factor Arrows
2151,417,836
Factor Arrows
275,708,918
Factor Arrows
237,854,459
Factor Arrows
312,618,153
Factor Arrows
34,206,051
Factor Arrows
31,402,017
Factor Arrows
3467,339
Factor Arrows
597,921
Factor Arrows
8989

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, 59, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 59 x 89 x 89 = 605,671,344

This can also be written as 24 x 34 x 591 x 892 = 605,671,344

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


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