Q: What are the prime factors of the number 243,441,776?

 A: 2, 29, 113, 4643

Why are those the prime factors of the number 243,441,776?

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 243,441,776

243,441,776
Factor Arrows
2121,720,888
Factor Arrows
260,860,444
Factor Arrows
230,430,222
Factor Arrows
215,215,111
Factor Arrows
29524,659
Factor Arrows
1134,643

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, 113, 4643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 113 x 4,643 = 243,441,776

This can also be written as 24 x 291 x 1131 x 4,6431 = 243,441,776

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


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