Q: What are the prime factors of the number 455,153,424?

 A: 2, 3, 11, 862033

Why are those the prime factors of the number 455,153,424?

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 455,153,424

455,153,424
Factor Arrows
2227,576,712
Factor Arrows
2113,788,356
Factor Arrows
256,894,178
Factor Arrows
228,447,089
Factor Arrows
39,482,363
Factor Arrows
11862,033

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, 862033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 862,033 = 455,153,424

This can also be written as 24 x 31 x 111 x 862,0331 = 455,153,424

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


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