Q: What are the prime factors of the number 51,506,432?

 A: 2, 43, 4679

Why are those the prime factors of the number 51,506,432?

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 51,506,432

51,506,432
Factor Arrows
225,753,216
Factor Arrows
212,876,608
Factor Arrows
26,438,304
Factor Arrows
23,219,152
Factor Arrows
21,609,576
Factor Arrows
2804,788
Factor Arrows
2402,394
Factor Arrows
2201,197
Factor Arrows
434,679

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, 43, 4679

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 2 x 2 x 43 x 4,679 = 51,506,432

This can also be written as 28 x 431 x 4,6791 = 51,506,432

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


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