Q: What are the prime factors of the number 446,116,440?

 A: 2, 3, 5, 7, 11, 48281

Why are those the prime factors of the number 446,116,440?

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 446,116,440

446,116,440
Factor Arrows
2223,058,220
Factor Arrows
2111,529,110
Factor Arrows
255,764,555
Factor Arrows
318,588,185
Factor Arrows
53,717,637
Factor Arrows
7531,091
Factor Arrows
1148,281

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, 11, 48281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 11 x 48,281 = 446,116,440

This can also be written as 23 x 31 x 51 x 71 x 111 x 48,2811 = 446,116,440

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


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