Q: What are the prime factors of the number 774,240,224?

 A: 2, 491, 49277

Why are those the prime factors of the number 774,240,224?

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 774,240,224

774,240,224
Factor Arrows
2387,120,112
Factor Arrows
2193,560,056
Factor Arrows
296,780,028
Factor Arrows
248,390,014
Factor Arrows
224,195,007
Factor Arrows
49149,277

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, 491, 49277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 491 x 49,277 = 774,240,224

This can also be written as 25 x 4911 x 49,2771 = 774,240,224

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


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