Q: What are the prime factors of the number 451,020,134?

 A: 2, 73, 1451, 2129

Why are those the prime factors of the number 451,020,134?

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 451,020,134

451,020,134
Factor Arrows
2225,510,067
Factor Arrows
733,089,179
Factor Arrows
1,4512,129

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, 73, 1451, 2129

We can check our work by multiplying all of the prime factors together: 2 x 73 x 1,451 x 2,129 = 451,020,134

This can also be written as 21 x 731 x 1,4511 x 2,1291 = 451,020,134

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


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