Q: What are the prime factors of the number 17,177,056?

 A: 2, 13, 157, 263

Why are those the prime factors of the number 17,177,056?

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 17,177,056

17,177,056
Factor Arrows
28,588,528
Factor Arrows
24,294,264
Factor Arrows
22,147,132
Factor Arrows
21,073,566
Factor Arrows
2536,783
Factor Arrows
1341,291
Factor Arrows
157263

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, 13, 157, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 157 x 263 = 17,177,056

This can also be written as 25 x 131 x 1571 x 2631 = 17,177,056

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


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