Q: What are the prime factors of the number 64,000,245?

 A: 3, 5, 29, 167, 881

Why are those the prime factors of the number 64,000,245?

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 64,000,245

64,000,245
Factor Arrows
321,333,415
Factor Arrows
54,266,683
Factor Arrows
29147,127
Factor Arrows
167881

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, 29, 167, 881

We can check our work by multiplying all of the prime factors together: 3 x 5 x 29 x 167 x 881 = 64,000,245

This can also be written as 31 x 51 x 291 x 1671 x 8811 = 64,000,245

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


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