Q: What are the prime factors of the number 84,143,325?

 A: 3, 5, 7, 83, 1931

Why are those the prime factors of the number 84,143,325?

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 84,143,325

84,143,325
Factor Arrows
328,047,775
Factor Arrows
55,609,555
Factor Arrows
51,121,911
Factor Arrows
7160,273
Factor Arrows
831,931

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:

3, 5, 7, 83, 1931

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 7 x 83 x 1,931 = 84,143,325

This can also be written as 31 x 52 x 71 x 831 x 1,9311 = 84,143,325

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


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