Q: What are the prime factors of the number 61,880,192?

 A: 2, 11, 71, 619

Why are those the prime factors of the number 61,880,192?

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 61,880,192

61,880,192
Factor Arrows
230,940,096
Factor Arrows
215,470,048
Factor Arrows
27,735,024
Factor Arrows
23,867,512
Factor Arrows
21,933,756
Factor Arrows
2966,878
Factor Arrows
2483,439
Factor Arrows
1143,949
Factor Arrows
71619

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, 11, 71, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 71 x 619 = 61,880,192

This can also be written as 27 x 111 x 711 x 6191 = 61,880,192

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


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