Q: What are the prime factors of the number 73,410,128?

 A: 2, 11, 173, 2411

Why are those the prime factors of the number 73,410,128?

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 73,410,128

73,410,128
Factor Arrows
236,705,064
Factor Arrows
218,352,532
Factor Arrows
29,176,266
Factor Arrows
24,588,133
Factor Arrows
11417,103
Factor Arrows
1732,411

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, 11, 173, 2411

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 173 x 2,411 = 73,410,128

This can also be written as 24 x 111 x 1731 x 2,4111 = 73,410,128

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


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