Q: What are the prime factors of the number 210,500,554?

 A: 2, 11, 23, 59, 641

Why are those the prime factors of the number 210,500,554?

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 210,500,554

210,500,554
Factor Arrows
2105,250,277
Factor Arrows
119,568,207
Factor Arrows
11869,837
Factor Arrows
2337,819
Factor Arrows
59641

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, 23, 59, 641

We can check our work by multiplying all of the prime factors together: 2 x 11 x 11 x 23 x 59 x 641 = 210,500,554

This can also be written as 21 x 112 x 231 x 591 x 6411 = 210,500,554

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


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