For 13: 13 For 81: 3
Factors of 15 are: 1 3 5 and 15 of which 3 and 5 are prime factors
The Prime Factor of 81 is 3The Prime Factors of 28 are 2, 7
The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
23 is already prime; it doesn't need a tree.
The factors of 81 are: 1 3 9 27 81 The prime factor is: 3
81 and 200 have no common prime factors.
The only prime factor of 81 is: 3.The prime factors of 225 are: 3 and 5.
The factors of 81 are numbers that can be multiplied together to give 81. The factors of 81 are 1, 3, 9, 27, and 81. Prime factors are the factors that are prime numbers. The prime factors of 81 are 3 and 3, or written as 3^4.
factors: 1, 3, 9, 27, 81 prime factor: 3
1,3,9,27,81 and their negatives. 3 is prime.
625 and 81 are relatively prime because they have common prime factors.
The prime factors of 81 are 3x3x3x3 (or 34 in expontial form). The prime factors of 108 are 2x2x3x3x3 (or 22 x 33 in exponential form).
34 = 81
34 = 81
The product of its prime factors are: 3*3*3*3 = 81
1,3,5,9,15,45 1,3,9,27,81 3 and 5 are prime.