Q: What are the prime factors of the number 32,177,194?

 A: 2, 7, 31, 151, 491

Why are those the prime factors of the number 32,177,194?

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 32,177,194

32,177,194
Factor Arrows
216,088,597
Factor Arrows
72,298,371
Factor Arrows
3174,141
Factor Arrows
151491

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, 7, 31, 151, 491

We can check our work by multiplying all of the prime factors together: 2 x 7 x 31 x 151 x 491 = 32,177,194

This can also be written as 21 x 71 x 311 x 1511 x 4911 = 32,177,194

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


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