Q: What are the prime factors of the number 436,445,550?

 A: 2, 3, 5, 113, 2861

Why are those the prime factors of the number 436,445,550?

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 436,445,550

436,445,550
Factor Arrows
2218,222,775
Factor Arrows
372,740,925
Factor Arrows
324,246,975
Factor Arrows
38,082,325
Factor Arrows
51,616,465
Factor Arrows
5323,293
Factor Arrows
1132,861

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, 113, 2861

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 113 x 2,861 = 436,445,550

This can also be written as 21 x 33 x 52 x 1131 x 2,8611 = 436,445,550

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


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