Q: What are the prime factors of the number 73,111,563?

 A: 3, 7, 19, 103, 593

Why are those the prime factors of the number 73,111,563?

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 73,111,563

73,111,563
Factor Arrows
324,370,521
Factor Arrows
38,123,507
Factor Arrows
71,160,501
Factor Arrows
1961,079
Factor Arrows
103593

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, 7, 19, 103, 593

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 19 x 103 x 593 = 73,111,563

This can also be written as 32 x 71 x 191 x 1031 x 5931 = 73,111,563

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


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