Q: What are the prime factors of the number 265,556,312?

 A: 2, 7, 19, 249583

Why are those the prime factors of the number 265,556,312?

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 265,556,312

265,556,312
Factor Arrows
2132,778,156
Factor Arrows
266,389,078
Factor Arrows
233,194,539
Factor Arrows
74,742,077
Factor Arrows
19249,583

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, 7, 19, 249583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 249,583 = 265,556,312

This can also be written as 23 x 71 x 191 x 249,5831 = 265,556,312

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


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