What is the Least Common Multiple of 66956 and 66970?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 66956 and 66970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66956 and 66970, than apply into the LCM equation.

GCF(66956,66970) = 2
LCM(66956,66970) = ( 66956 × 66970) / 2
LCM(66956,66970) = 4484043320 / 2
LCM(66956,66970) = 2242021660

Least Common Multiple (LCM) of 66956 and 66970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66956 and 66970. First we will calculate the prime factors of 66956 and 66970.

Prime Factorization of 66956

Prime Factorization of 66970

Now multiplying the highest exponent prime factors to calculate the LCM of 66956 and 66970.

LCM(66956,66970) = 2² × 19¹ × 881¹ × 5¹ × 37¹ × 181¹
LCM(66956,66970) = 2242021660