Q: What are the prime factors of the number 605,064,564?

 A: 2, 3, 13, 149, 8677

Why are those the prime factors of the number 605,064,564?

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 605,064,564

605,064,564
Factor Arrows
2302,532,282
Factor Arrows
2151,266,141
Factor Arrows
350,422,047
Factor Arrows
316,807,349
Factor Arrows
131,292,873
Factor Arrows
1498,677

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, 13, 149, 8677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 149 x 8,677 = 605,064,564

This can also be written as 22 x 32 x 131 x 1491 x 8,6771 = 605,064,564

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


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