Q: What are the prime factors of the number 100,354,576?

 A: 2, 7, 593, 1511

Why are those the prime factors of the number 100,354,576?

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 100,354,576

100,354,576
Factor Arrows
250,177,288
Factor Arrows
225,088,644
Factor Arrows
212,544,322
Factor Arrows
26,272,161
Factor Arrows
7896,023
Factor Arrows
5931,511

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, 593, 1511

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 593 x 1,511 = 100,354,576

This can also be written as 24 x 71 x 5931 x 1,5111 = 100,354,576

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


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