Q: What are the prime factors of the number 16,763,840?

 A: 2, 5, 52387

Why are those the prime factors of the number 16,763,840?

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 16,763,840

16,763,840
Factor Arrows
28,381,920
Factor Arrows
24,190,960
Factor Arrows
22,095,480
Factor Arrows
21,047,740
Factor Arrows
2523,870
Factor Arrows
2261,935
Factor Arrows
552,387

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, 5, 52387

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 52,387 = 16,763,840

This can also be written as 26 x 51 x 52,3871 = 16,763,840

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


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