Q: What are the prime factors of the number 788,467,149?

 A: 3, 19, 283, 5431

Why are those the prime factors of the number 788,467,149?

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 788,467,149

788,467,149
Factor Arrows
3262,822,383
Factor Arrows
387,607,461
Factor Arrows
329,202,487
Factor Arrows
191,536,973
Factor Arrows
2835,431

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:

3, 19, 283, 5431

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 283 x 5,431 = 788,467,149

This can also be written as 33 x 191 x 2831 x 5,4311 = 788,467,149

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


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