Q: What are the prime factors of the number 265,303,360?

 A: 2, 5, 7, 17, 6967

Why are those the prime factors of the number 265,303,360?

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 265,303,360

265,303,360
Factor Arrows
2132,651,680
Factor Arrows
266,325,840
Factor Arrows
233,162,920
Factor Arrows
216,581,460
Factor Arrows
28,290,730
Factor Arrows
24,145,365
Factor Arrows
5829,073
Factor Arrows
7118,439
Factor Arrows
176,967

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, 7, 17, 6967

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 7 x 17 x 6,967 = 265,303,360

This can also be written as 26 x 51 x 71 x 171 x 6,9671 = 265,303,360

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


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