Q: What are the prime factors of the number 73,724,950?

 A: 2, 5, 13, 101, 1123

Why are those the prime factors of the number 73,724,950?

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 73,724,950

73,724,950
Factor Arrows
236,862,475
Factor Arrows
57,372,495
Factor Arrows
51,474,499
Factor Arrows
13113,423
Factor Arrows
1011,123

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, 13, 101, 1123

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 13 x 101 x 1,123 = 73,724,950

This can also be written as 21 x 52 x 131 x 1011 x 1,1231 = 73,724,950

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


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