1, 17
1, 2, 3, 6, 9, 18
The GCF of 18, 17, and 15 is 1 because 17 is a prime and has no factorsx other than 1 and 17, and 17 is not a factor of 18 or 15. Detailed work: Factors of 18: 1 2 3 6 9 18 Factors of : 1 17 Factors of : 1 3 5 15 The GCF of 18, 17, and 15 is 1
Composite numbers.Example: 17- factors of 17...1 and 17- This is a prime number.Example: 18- factors of 18...1,2,3,6,9,18- This is a composite number.
The factors of 17 are: 1, 17 The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
17 and 18 have no common factors, so 17/18 is already in its simplest form.
The common factor is 1.
The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 34 are: 1, 2, 17, 34 The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54
17 is a prime number, meaning the only number that factors into it is 1 and itself. so 1 is the answer 1. 17 is a prime number, or only divisible by itself. so the only numbers that 17 and 18 have in common is 1.
The only common factor is 1.
1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306 The prime factors are 2, 3, and 17.
The only common factor is 1.
18 factors to [2 3 3] 34 factors to [2 17] They have a common factor of 2, so they are not coprime.
The factors of 18 are: 1, 2, 3, 6, 9, 18.The factors of 28 are: 1, 2, 4, 7, 14, 28.The factors of 34 are: 1, 2, 17, 34.The common factors are: 1, 2