Q: What are the prime factors of the number 243,779,960?

 A: 2, 5, 263, 23173

Why are those the prime factors of the number 243,779,960?

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 243,779,960

243,779,960
Factor Arrows
2121,889,980
Factor Arrows
260,944,990
Factor Arrows
230,472,495
Factor Arrows
56,094,499
Factor Arrows
26323,173

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, 5, 263, 23173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 263 x 23,173 = 243,779,960

This can also be written as 23 x 51 x 2631 x 23,1731 = 243,779,960

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


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