Q: What are the prime factors of the number 440,623,308?

 A: 2, 3, 47, 781247

Why are those the prime factors of the number 440,623,308?

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 440,623,308

440,623,308
Factor Arrows
2220,311,654
Factor Arrows
2110,155,827
Factor Arrows
336,718,609
Factor Arrows
47781,247

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, 3, 47, 781247

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 47 x 781,247 = 440,623,308

This can also be written as 22 x 31 x 471 x 781,2471 = 440,623,308

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


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