Q: What are the prime factors of the number 103,110,336?

 A: 2, 3, 7, 107, 239

Why are those the prime factors of the number 103,110,336?

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 103,110,336

103,110,336
Factor Arrows
251,555,168
Factor Arrows
225,777,584
Factor Arrows
212,888,792
Factor Arrows
26,444,396
Factor Arrows
23,222,198
Factor Arrows
21,611,099
Factor Arrows
3537,033
Factor Arrows
3179,011
Factor Arrows
725,573
Factor Arrows
107239

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, 107, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 107 x 239 = 103,110,336

This can also be written as 26 x 32 x 71 x 1071 x 2391 = 103,110,336

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


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