Q: What are the prime factors of the number 258,443,010?

 A: 2, 3, 5, 7, 17, 59, 409

Why are those the prime factors of the number 258,443,010?

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 258,443,010

258,443,010
Factor Arrows
2129,221,505
Factor Arrows
343,073,835
Factor Arrows
314,357,945
Factor Arrows
52,871,589
Factor Arrows
7410,227
Factor Arrows
1724,131
Factor Arrows
59409

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, 5, 7, 17, 59, 409

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 17 x 59 x 409 = 258,443,010

This can also be written as 21 x 32 x 51 x 71 x 171 x 591 x 4091 = 258,443,010

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


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