Best Answer

As 315 is ending with a 5 it can be divided by 5

315/5=63

As 6+3=9 then it can be divided by 9

63/9=7

7 is a Prime number

Then 315 = 32 x 5 x 7

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Q: What is the prime facorizaton of 315?

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2 x 2 x 2 x 3 x 5 = 120

The prime factors of 315 are 3, 3, 5, and 7.

315*3 = 945 does.

32*5*7 = 315

3 x 3 x 5 x 7 = 315 The prime factors of 315 are 3, 5, and 7.

Use a factor tree. 315 105,3 35,3,3 7,5,3,3

It is: 3 squared*5*7 = 315

3 x 3 x 5 x 7 = 315

3 x 3 x 5 x 7 = 315

315 = 3 x 3 x 5 x 7

3 x 3 x 5 x 7 = 315

3 x 3 x 5 x 7 = 315

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