Q: What are the prime factors of the number 440,302,104?

 A: 2, 3, 11, 157, 3541

Why are those the prime factors of the number 440,302,104?

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 440,302,104

440,302,104
Factor Arrows
2220,151,052
Factor Arrows
2110,075,526
Factor Arrows
255,037,763
Factor Arrows
318,345,921
Factor Arrows
36,115,307
Factor Arrows
11555,937
Factor Arrows
1573,541

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, 11, 157, 3541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 157 x 3,541 = 440,302,104

This can also be written as 23 x 32 x 111 x 1571 x 3,5411 = 440,302,104

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


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