Q: What are the prime factors of the number 747,774,168?

 A: 2, 3, 191, 163127

Why are those the prime factors of the number 747,774,168?

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 747,774,168

747,774,168
Factor Arrows
2373,887,084
Factor Arrows
2186,943,542
Factor Arrows
293,471,771
Factor Arrows
331,157,257
Factor Arrows
191163,127

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, 3, 191, 163127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 191 x 163,127 = 747,774,168

This can also be written as 23 x 31 x 1911 x 163,1271 = 747,774,168

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


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