Q: What are the prime factors of the number 605,413,455?

 A: 3, 5, 59, 73, 9371

Why are those the prime factors of the number 605,413,455?

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 605,413,455

605,413,455
Factor Arrows
3201,804,485
Factor Arrows
540,360,897
Factor Arrows
59684,083
Factor Arrows
739,371

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:

3, 5, 59, 73, 9371

We can check our work by multiplying all of the prime factors together: 3 x 5 x 59 x 73 x 9,371 = 605,413,455

This can also be written as 31 x 51 x 591 x 731 x 9,3711 = 605,413,455

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


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