Q: What are the prime factors of the number 210,552,258?

 A: 2, 3, 7, 23, 211, 1033

Why are those the prime factors of the number 210,552,258?

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 210,552,258

210,552,258
Factor Arrows
2105,276,129
Factor Arrows
335,092,043
Factor Arrows
75,013,149
Factor Arrows
23217,963
Factor Arrows
2111,033

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, 7, 23, 211, 1033

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 23 x 211 x 1,033 = 210,552,258

This can also be written as 21 x 31 x 71 x 231 x 2111 x 1,0331 = 210,552,258

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


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