Q: What are the prime factors of the number 71,570,350?

 A: 2, 5, 199, 7193

Why are those the prime factors of the number 71,570,350?

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 71,570,350

71,570,350
Factor Arrows
235,785,175
Factor Arrows
57,157,035
Factor Arrows
51,431,407
Factor Arrows
1997,193

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, 5, 199, 7193

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 199 x 7,193 = 71,570,350

This can also be written as 21 x 52 x 1991 x 7,1931 = 71,570,350

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


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