Q: What are the prime factors of the number 80,450,480?

 A: 2, 5, 11, 8311

Why are those the prime factors of the number 80,450,480?

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 80,450,480

80,450,480
Factor Arrows
240,225,240
Factor Arrows
220,112,620
Factor Arrows
210,056,310
Factor Arrows
25,028,155
Factor Arrows
51,005,631
Factor Arrows
1191,421
Factor Arrows
118,311

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, 11, 8311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 11 x 11 x 8,311 = 80,450,480

This can also be written as 24 x 51 x 112 x 8,3111 = 80,450,480

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


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