Q: What are the prime factors of the number 16,522,200?

 A: 2, 3, 5, 67, 137

Why are those the prime factors of the number 16,522,200?

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 16,522,200

16,522,200
Factor Arrows
28,261,100
Factor Arrows
24,130,550
Factor Arrows
22,065,275
Factor Arrows
3688,425
Factor Arrows
3229,475
Factor Arrows
545,895
Factor Arrows
59,179
Factor Arrows
67137

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, 5, 67, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 67 x 137 = 16,522,200

This can also be written as 23 x 32 x 52 x 671 x 1371 = 16,522,200

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


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