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Earn +20 ptsQ: Is 81 a composite
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Is 81 a composite number?
Yes. One of the reasons are that if you Google it, they say it's a composite #. Second, a prime number has 2 factors: 1 and itself. But 81 has 5 factors:1, 3, 9, 27, and 81.81 is a composite number 3 * 3 * 3 * 3 = 81
What times what equals 81?
1 times 81 3 times 27 9 times 9
What is half of 162?
81
What are the factors of 81 in math?
The answer is 1,3,9,27,81. 81*1=81 3*27=81 9*9=81 27*3=81 81*1=81
Is 25 a prime or composite?
composite composite
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