Q: What are the prime factors of the number 16,861,332?

 A: 2, 3, 41, 43, 797

Why are those the prime factors of the number 16,861,332?

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 16,861,332

16,861,332
Factor Arrows
28,430,666
Factor Arrows
24,215,333
Factor Arrows
31,405,111
Factor Arrows
4134,271
Factor Arrows
43797

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, 41, 43, 797

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 41 x 43 x 797 = 16,861,332

This can also be written as 22 x 31 x 411 x 431 x 7971 = 16,861,332

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


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