Both are divisible by 6.
The lowest common denominator of 30 and 42 is 210.
The Greatest Common Divisor (GCD) for 30 42 is 6.
The Least Common Multiple (LCM) for 24 30 42 is 840.
The GCF of 30 and 42 is 6.
Greatest Common Divisor (GCD) for 30 42 is 6.
The least common factor of 30 and 42 is the smallest number that is a factor of both of them and is 1.However, I suspect that you mean either:What is the highest common factor of 30 and 42?ie what is the highest number that is a factor of both 30 and 42: hcf = 6;What is the lowest common multiple of 30 and 42?ie that is the smallest number that is a multiple of both 30 and 42 lcm = 210.
Greatest common factor of 9 30 and 42 is 3.
The GCF of 4, 30 and 42 is 2.
The GCF of 42, 30, and 60 is 6.
HCF(30, 36, 42) = 6 LCM(30, 36, 42) = 1260
The common factors of 30 and 42 are 1, 2, 3 and 6
The common factors of 18, 30, and 42 are: 1, 2, 3, and 6The Greatest Common Factor (GCF) is: 6