Q: What are the prime factors of the number 326,644,516?

 A: 2, 11, 29, 281, 911

Why are those the prime factors of the number 326,644,516?

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 326,644,516

326,644,516
Factor Arrows
2163,322,258
Factor Arrows
281,661,129
Factor Arrows
117,423,739
Factor Arrows
29255,991
Factor Arrows
281911

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, 11, 29, 281, 911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 29 x 281 x 911 = 326,644,516

This can also be written as 22 x 111 x 291 x 2811 x 9111 = 326,644,516

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


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