Q: What are the prime factors of the number 101,160,774?

 A: 2, 3, 11, 13, 39301

Why are those the prime factors of the number 101,160,774?

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 101,160,774

101,160,774
Factor Arrows
250,580,387
Factor Arrows
316,860,129
Factor Arrows
35,620,043
Factor Arrows
11510,913
Factor Arrows
1339,301

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, 11, 13, 39301

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 13 x 39,301 = 101,160,774

This can also be written as 21 x 32 x 111 x 131 x 39,3011 = 101,160,774

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


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