Q: What are the prime factors of the number 66,058,694?

 A: 2, 13, 29, 79, 1109

Why are those the prime factors of the number 66,058,694?

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 66,058,694

66,058,694
Factor Arrows
233,029,347
Factor Arrows
132,540,719
Factor Arrows
2987,611
Factor Arrows
791,109

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, 13, 29, 79, 1109

We can check our work by multiplying all of the prime factors together: 2 x 13 x 29 x 79 x 1,109 = 66,058,694

This can also be written as 21 x 131 x 291 x 791 x 1,1091 = 66,058,694

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


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