Q: What are the prime factors of the number 61,862,794?

 A: 2, 7, 31, 2909

Why are those the prime factors of the number 61,862,794?

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 61,862,794

61,862,794
Factor Arrows
230,931,397
Factor Arrows
74,418,771
Factor Arrows
7631,253
Factor Arrows
790,179
Factor Arrows
312,909

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, 7, 31, 2909

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 31 x 2,909 = 61,862,794

This can also be written as 21 x 73 x 311 x 2,9091 = 61,862,794

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


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