Q: What are the prime factors of the number 64,461,558?

 A: 2, 3, 7, 43, 5099

Why are those the prime factors of the number 64,461,558?

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 64,461,558

64,461,558
Factor Arrows
232,230,779
Factor Arrows
310,743,593
Factor Arrows
71,534,799
Factor Arrows
7219,257
Factor Arrows
435,099

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, 43, 5099

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 43 x 5,099 = 64,461,558

This can also be written as 21 x 31 x 72 x 431 x 5,0991 = 64,461,558

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


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