The LCF is 1.
The GCF is 3.
The LCM is 21.
3
945 is the lowest common denominator. 3 is the greatest common factor.
Least Common Multiple:21 Greatest Common Factor:1
The LCF is 1. The GCF is 3.
The lowest common factor is: 1
The lowest common factor is 1 !
The lowest common factor is: 1
The common factor of 3 and 21 is 3. *
Factor each number to see if they have common factors:21 = 3*736 = 3 *12The LCD is, 36*7 or 21*12, 252.
The factors of 16 are 1, 2, 4, 8, and 16. The factors of 21 are 1, 3, 7, and 21. The only common factor is 1; they are relatively prime. The least (or lowest) common factor is 1. The greatest (or highest) common factor is 1.
The lowest common multiple of 3,4, and 6 is 12. The lowest common factor is 1.
divide by common factor 7 both terms 14/21 = 2/3