Q: What are the prime factors of the number 440,313,200?

 A: 2, 5, 1100783

Why are those the prime factors of the number 440,313,200?

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 440,313,200

440,313,200
Factor Arrows
2220,156,600
Factor Arrows
2110,078,300
Factor Arrows
255,039,150
Factor Arrows
227,519,575
Factor Arrows
55,503,915
Factor Arrows
51,100,783

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, 1100783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 1,100,783 = 440,313,200

This can also be written as 24 x 52 x 1,100,7831 = 440,313,200

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


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