Q: What are the prime factors of the number 763,643,408?

 A: 2, 11, 4338883

Why are those the prime factors of the number 763,643,408?

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 763,643,408

763,643,408
Factor Arrows
2381,821,704
Factor Arrows
2190,910,852
Factor Arrows
295,455,426
Factor Arrows
247,727,713
Factor Arrows
114,338,883

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, 4338883

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 4,338,883 = 763,643,408

This can also be written as 24 x 111 x 4,338,8831 = 763,643,408

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


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