The common factors of 18 and 36 are 18,9,6,3,2,1.
The prime factors of 494 are 2, 13, and 19. The prime factors of 741 are 3, 13, and 19. The common factors are 13 and 19, so the greatest common factor is 13 x 19 = 247.
Common factors of 15 and 18 are: 1 and 3.
The common factors of 18, 20, and 24 are: 1 and 21 and 2
The common positive integer factors of 18 and 30 are: 1, 2, 3, 6
Factors of 18 are 1, 2, 3, 6, 9, and 18 Factors of 38 are 1, 2, 19, and 38 The common factors of 18 and 38 are 1 and 2.
The only common factor is 1.
1 and 2
find the factors of each # and then find the highest common factor: 18=1,2,3,6,9,18 19=1,19 gcd(19,18)=1
The factors of 18 are:1, 2, 3, 6, 9, 18The factors of 25 are:1, 5, 25The factors of 57 are:1, 3, 19, 57The common factors are:1The Greatest Common Factor:GCF = 1
Factors of 18 are 1, 2, 3, 6, 9 and 18. Factors of 57 are 1, 3, 19, and 57. The GCF of 18 and 57 is 3.
The common factors are: 1, 19
The factors of 19 are: 1, 19 The factors of 76 are: 1, 2, 4, 19, 38, 76 The common factors are: 1, 19 The Greatest Common Factor: 19
The common factors of 18 are: 1,2,3,6,9,18.
The factors of 57 are 1, 3, 19, and 57The factors of 18 are 1, 2, 3, 6, 9, and 18
The common denominator is usually the Lowest (or Least) Common Multiple of the numbers involved. Where two numbers have no common factors then the LCM is simply the product of those numbers. As 19 is a prime number and has no factors in common with 18 then the common denominator is 18 x 19 = 342.
18 has more factors than 19 and 25.