Q: What are the prime factors of the number 102,011,448?

 A: 2, 3, 7, 11, 55201

Why are those the prime factors of the number 102,011,448?

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 102,011,448

102,011,448
Factor Arrows
251,005,724
Factor Arrows
225,502,862
Factor Arrows
212,751,431
Factor Arrows
34,250,477
Factor Arrows
7607,211
Factor Arrows
1155,201

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, 7, 11, 55201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 11 x 55,201 = 102,011,448

This can also be written as 23 x 31 x 71 x 111 x 55,2011 = 102,011,448

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


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