Q: What are the prime factors of the number 103,310,064?

 A: 2, 3, 11, 13, 29, 173

Why are those the prime factors of the number 103,310,064?

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 103,310,064

103,310,064
Factor Arrows
251,655,032
Factor Arrows
225,827,516
Factor Arrows
212,913,758
Factor Arrows
26,456,879
Factor Arrows
32,152,293
Factor Arrows
3717,431
Factor Arrows
1165,221
Factor Arrows
135,017
Factor Arrows
29173

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, 29, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 11 x 13 x 29 x 173 = 103,310,064

This can also be written as 24 x 32 x 111 x 131 x 291 x 1731 = 103,310,064

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


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