Q: What are the prime factors of the number 176,265,440?

 A: 2, 5, 13, 83, 1021

Why are those the prime factors of the number 176,265,440?

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 176,265,440

176,265,440
Factor Arrows
288,132,720
Factor Arrows
244,066,360
Factor Arrows
222,033,180
Factor Arrows
211,016,590
Factor Arrows
25,508,295
Factor Arrows
51,101,659
Factor Arrows
1384,743
Factor Arrows
831,021

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, 5, 13, 83, 1021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 13 x 83 x 1,021 = 176,265,440

This can also be written as 25 x 51 x 131 x 831 x 1,0211 = 176,265,440

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


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