Q: What are the prime factors of the number 51,641,424?

 A: 2, 3, 71, 5051

Why are those the prime factors of the number 51,641,424?

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 51,641,424

51,641,424
Factor Arrows
225,820,712
Factor Arrows
212,910,356
Factor Arrows
26,455,178
Factor Arrows
23,227,589
Factor Arrows
31,075,863
Factor Arrows
3358,621
Factor Arrows
715,051

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, 71, 5051

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 71 x 5,051 = 51,641,424

This can also be written as 24 x 32 x 711 x 5,0511 = 51,641,424

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


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