Q: What are the prime factors of the number 16,210,998?

 A: 2, 3, 23, 39157

Why are those the prime factors of the number 16,210,998?

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 16,210,998

16,210,998
Factor Arrows
28,105,499
Factor Arrows
32,701,833
Factor Arrows
3900,611
Factor Arrows
2339,157

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, 23, 39157

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 23 x 39,157 = 16,210,998

This can also be written as 21 x 32 x 231 x 39,1571 = 16,210,998

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


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