Q: What are the prime factors of the number 103,732,776?

 A: 2, 3, 7, 17, 12107

Why are those the prime factors of the number 103,732,776?

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 103,732,776

103,732,776
Factor Arrows
251,866,388
Factor Arrows
225,933,194
Factor Arrows
212,966,597
Factor Arrows
34,322,199
Factor Arrows
31,440,733
Factor Arrows
7205,819
Factor Arrows
1712,107

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, 17, 12107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 17 x 12,107 = 103,732,776

This can also be written as 23 x 32 x 71 x 171 x 12,1071 = 103,732,776

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


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