Q: What are the prime factors of the number 79,194,186?

 A: 2, 3, 29, 1873

Why are those the prime factors of the number 79,194,186?

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 79,194,186

79,194,186
Factor Arrows
239,597,093
Factor Arrows
313,199,031
Factor Arrows
34,399,677
Factor Arrows
31,466,559
Factor Arrows
3488,853
Factor Arrows
3162,951
Factor Arrows
354,317
Factor Arrows
291,873

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, 29, 1873

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 29 x 1,873 = 79,194,186

This can also be written as 21 x 36 x 291 x 1,8731 = 79,194,186

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


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