Q: What are the prime factors of the number 70,503,880?

 A: 2, 5, 751, 2347

Why are those the prime factors of the number 70,503,880?

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 70,503,880

70,503,880
Factor Arrows
235,251,940
Factor Arrows
217,625,970
Factor Arrows
28,812,985
Factor Arrows
51,762,597
Factor Arrows
7512,347

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, 5, 751, 2347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 751 x 2,347 = 70,503,880

This can also be written as 23 x 51 x 7511 x 2,3471 = 70,503,880

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


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