Q: What are the prime factors of the number 73,743,376?

 A: 2, 7, 47, 14009

Why are those the prime factors of the number 73,743,376?

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 73,743,376

73,743,376
Factor Arrows
236,871,688
Factor Arrows
218,435,844
Factor Arrows
29,217,922
Factor Arrows
24,608,961
Factor Arrows
7658,423
Factor Arrows
4714,009

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, 7, 47, 14009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 47 x 14,009 = 73,743,376

This can also be written as 24 x 71 x 471 x 14,0091 = 73,743,376

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


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