Q: What are the prime factors of the number 210,026,418?

 A: 2, 3, 7, 19, 263191

Why are those the prime factors of the number 210,026,418?

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 210,026,418

210,026,418
Factor Arrows
2105,013,209
Factor Arrows
335,004,403
Factor Arrows
75,000,629
Factor Arrows
19263,191

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, 19, 263191

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 19 x 263,191 = 210,026,418

This can also be written as 21 x 31 x 71 x 191 x 263,1911 = 210,026,418

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


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