GCF and LCM Calculator Logo

What is the Least Common Multiple of 66972 and 66988?

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 (LCM) of 66972 and 66988 is 1121580084.

LCM(66972,66988) = 1121580084

LCM Calculator and
and

Least Common Multiple of 66972 and 66988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66972 and 66988, than apply into the LCM equation.

GCF(66972,66988) = 4
LCM(66972,66988) = ( 66972 × 66988) / 4
LCM(66972,66988) = 4486320336 / 4
LCM(66972,66988) = 1121580084

Least Common Multiple (LCM) of 66972 and 66988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66972 and 66988. First we will calculate the prime factors of 66972 and 66988.

Prime Factorization of 66972

Prime factors of 66972 are 2, 3, 5581. Prime factorization of 66972 in exponential form is:

66972 = 22 × 31 × 55811

Prime Factorization of 66988

Prime factors of 66988 are 2, 16747. Prime factorization of 66988 in exponential form is:

66988 = 22 × 167471

Now multiplying the highest exponent prime factors to calculate the LCM of 66972 and 66988.

LCM(66972,66988) = 22 × 31 × 55811 × 167471
LCM(66972,66988) = 1121580084