Q: What are the prime factors of the number 747,161,104?

 A: 2, 29, 1259, 1279

Why are those the prime factors of the number 747,161,104?

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 747,161,104

747,161,104
Factor Arrows
2373,580,552
Factor Arrows
2186,790,276
Factor Arrows
293,395,138
Factor Arrows
246,697,569
Factor Arrows
291,610,261
Factor Arrows
1,2591,279

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, 29, 1259, 1279

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 1,259 x 1,279 = 747,161,104

This can also be written as 24 x 291 x 1,2591 x 1,2791 = 747,161,104

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


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