Q: What are the prime factors of the number 103,808,718?

 A: 2, 3, 13, 271, 1637

Why are those the prime factors of the number 103,808,718?

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 103,808,718

103,808,718
Factor Arrows
251,904,359
Factor Arrows
317,301,453
Factor Arrows
35,767,151
Factor Arrows
13443,627
Factor Arrows
2711,637

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, 13, 271, 1637

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 271 x 1,637 = 103,808,718

This can also be written as 21 x 32 x 131 x 2711 x 1,6371 = 103,808,718

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


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