Q: What are the prime factors of the number 177,400,112?

 A: 2, 19, 41, 43, 331

Why are those the prime factors of the number 177,400,112?

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 177,400,112

177,400,112
Factor Arrows
288,700,056
Factor Arrows
244,350,028
Factor Arrows
222,175,014
Factor Arrows
211,087,507
Factor Arrows
19583,553
Factor Arrows
4114,233
Factor Arrows
43331

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, 19, 41, 43, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 41 x 43 x 331 = 177,400,112

This can also be written as 24 x 191 x 411 x 431 x 3311 = 177,400,112

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


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