Q: What are the prime factors of the number 16,896,530?

 A: 2, 5, 7, 281, 859

Why are those the prime factors of the number 16,896,530?

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 16,896,530

16,896,530
Factor Arrows
28,448,265
Factor Arrows
51,689,653
Factor Arrows
7241,379
Factor Arrows
281859

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, 7, 281, 859

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 281 x 859 = 16,896,530

This can also be written as 21 x 51 x 71 x 2811 x 8591 = 16,896,530

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


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