Q: What are the prime factors of the number 187,255,116?

 A: 2, 3, 61, 71, 1201

Why are those the prime factors of the number 187,255,116?

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 187,255,116

187,255,116
Factor Arrows
293,627,558
Factor Arrows
246,813,779
Factor Arrows
315,604,593
Factor Arrows
35,201,531
Factor Arrows
6185,271
Factor Arrows
711,201

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, 61, 71, 1201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 61 x 71 x 1,201 = 187,255,116

This can also be written as 22 x 32 x 611 x 711 x 1,2011 = 187,255,116

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


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