What is the prime factorization of 90?

Explanation:

Divide by the smallest prime 2

90/2 = 45

Then divide by the next smallest prime 3 (since 2 won't go into 45)

45/3 = 15

Repeat the last step

15/3 = 5

We stop because the result is prime.

Note the denominators are 2, 3, 3. The final result is 5 which is prime.

So the prime factors are 2, 3, 3,  and 5

They multiply to 2*3*3*5 = 90.

We can condense it to 2*3^2*5 = 90 because 3*3 = 3^2.

16 kids because 2 times 8 equals 16

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step-by-step explanation: