Q: What are the prime factors of the number 442,424,346?

 A: 2, 3, 7, 13, 103, 7867

Why are those the prime factors of the number 442,424,346?

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 442,424,346

442,424,346
Factor Arrows
2221,212,173
Factor Arrows
373,737,391
Factor Arrows
710,533,913
Factor Arrows
13810,301
Factor Arrows
1037,867

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, 7, 13, 103, 7867

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 13 x 103 x 7,867 = 442,424,346

This can also be written as 21 x 31 x 71 x 131 x 1031 x 7,8671 = 442,424,346

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


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