Study guides

Q: What is the prime factors for number 81?

Write your answer...

Submit

Related questions

81 is not a prime number. Its positive integer factors are: 1, 3, 9, 27, 81.81 is a Composite Number.

81 is a composite number because it has factors other than 1 and itself. 81 is not a prime number. 81 = 3 * 3 * 3 * 3. Its positive integer factors are: 1, 3, 9, 27, 81.

81 is a composite number because it has more factors than 1 and itself. The factors of 81 are 1, 3, 9, 27, and 81.

71 is a prime number because it has only two factors whereas 81 is a composite number because it has more than two factors.

The prime factors of 81 are 3 x 3 x 3 x 3.

81 = 3x3x3x3

81 and 200 have no common prime factors.

The factors of 81 are: 1 3 9 27 81 The prime factor is: 3

81 is a composite number because it has more than two factors.

Factor rainbows display the prime factors of a given number. Some numbers, Like 27, have an odd number of prime factors. Some numbers, like 81, have an even number of prime factors.

81 is a composite number because its factors are more than 2

81 is a composite number. Composite numbers are any number that has more than two factors(one and itself). Therefore, since 3,9, and 27 are factors of 81 that makes it a composite number.

81 is not prime it's a composite number

The only prime factor of 81 is 3.

The only prime factor of 81 is: 3.The prime factors of 225 are: 3 and 5.

1,3,9,27,81 and their negatives. 3 is prime.

81 is a composite number as it has factors other than 1 and itself (3, 27 and 9).

The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 81 are: 1, 3, 9, 27, and 81.The only prime factor of 81 is: 3.

625 and 81 are relatively prime because they have common prime factors.

81 is not a prime number. 81 = 3 * 3 * 3 * 3

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

53 is the only prime number out of the four numbers because it has only two factors.

Composite because it has more than two factors.

factors: 1, 3, 9, 27, 81 prime factor: 3

As a product of its prime factors: 3*3*3*3 = 81 and 4*3 = 12