Q: What are the prime factors of the number 17,625,146?

 A: 2, 7, 11, 193, 593

Why are those the prime factors of the number 17,625,146?

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 17,625,146

17,625,146
Factor Arrows
28,812,573
Factor Arrows
71,258,939
Factor Arrows
11114,449
Factor Arrows
193593

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, 11, 193, 593

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 193 x 593 = 17,625,146

This can also be written as 21 x 71 x 111 x 1931 x 5931 = 17,625,146

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


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