Q: What are the prime factors of the number 551,743,424?

 A: 2, 149, 57859

Why are those the prime factors of the number 551,743,424?

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 551,743,424

551,743,424
Factor Arrows
2275,871,712
Factor Arrows
2137,935,856
Factor Arrows
268,967,928
Factor Arrows
234,483,964
Factor Arrows
217,241,982
Factor Arrows
28,620,991
Factor Arrows
14957,859

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, 149, 57859

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 149 x 57,859 = 551,743,424

This can also be written as 26 x 1491 x 57,8591 = 551,743,424

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


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