Q: What are the prime factors of the number 16,242,156?

 A: 2, 3, 7, 64453

Why are those the prime factors of the number 16,242,156?

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 16,242,156

16,242,156
Factor Arrows
28,121,078
Factor Arrows
24,060,539
Factor Arrows
31,353,513
Factor Arrows
3451,171
Factor Arrows
764,453

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, 7, 64453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 64,453 = 16,242,156

This can also be written as 22 x 32 x 71 x 64,4531 = 16,242,156

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


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