Q: What are the prime factors of the number 440,141,100?

 A: 2, 3, 5, 7, 31, 6761

Why are those the prime factors of the number 440,141,100?

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 440,141,100

440,141,100
Factor Arrows
2220,070,550
Factor Arrows
2110,035,275
Factor Arrows
336,678,425
Factor Arrows
57,335,685
Factor Arrows
51,467,137
Factor Arrows
7209,591
Factor Arrows
316,761

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, 5, 7, 31, 6761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 7 x 31 x 6,761 = 440,141,100

This can also be written as 22 x 31 x 52 x 71 x 311 x 6,7611 = 440,141,100

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


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