Q: What are the prime factors of the number 77,733,404?

 A: 2, 7, 53, 1069

Why are those the prime factors of the number 77,733,404?

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 77,733,404

77,733,404
Factor Arrows
238,866,702
Factor Arrows
219,433,351
Factor Arrows
72,776,193
Factor Arrows
7396,599
Factor Arrows
756,657
Factor Arrows
531,069

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, 53, 1069

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 7 x 53 x 1,069 = 77,733,404

This can also be written as 22 x 73 x 531 x 1,0691 = 77,733,404

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


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