Q: What are the prime factors of the number 250,462,020?

 A: 2, 3, 5, 17, 31, 89

Why are those the prime factors of the number 250,462,020?

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 250,462,020

250,462,020
Factor Arrows
2125,231,010
Factor Arrows
262,615,505
Factor Arrows
320,871,835
Factor Arrows
54,174,367
Factor Arrows
17245,551
Factor Arrows
317,921
Factor Arrows
8989

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, 17, 31, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 17 x 31 x 89 x 89 = 250,462,020

This can also be written as 22 x 31 x 51 x 171 x 311 x 892 = 250,462,020

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


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