Q: What are the prime factors of the number 61,770,152?

 A: 2, 7721269

Why are those the prime factors of the number 61,770,152?

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 61,770,152

61,770,152
Factor Arrows
230,885,076
Factor Arrows
215,442,538
Factor Arrows
27,721,269

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, 7721269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7,721,269 = 61,770,152

This can also be written as 23 x 7,721,2691 = 61,770,152

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


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