GCF and LCM Calculator Logo

What is the Least Common Multiple of 72984 and 72991?

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 72984 and 72991 is 5327175144.

LCM(72984,72991) = 5327175144

LCM Calculator and
and

Least Common Multiple of 72984 and 72991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72984 and 72991, than apply into the LCM equation.

GCF(72984,72991) = 1
LCM(72984,72991) = ( 72984 × 72991) / 1
LCM(72984,72991) = 5327175144 / 1
LCM(72984,72991) = 5327175144

Least Common Multiple (LCM) of 72984 and 72991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72984 and 72991. First we will calculate the prime factors of 72984 and 72991.

Prime Factorization of 72984

Prime factors of 72984 are 2, 3, 3041. Prime factorization of 72984 in exponential form is:

72984 = 23 × 31 × 30411

Prime Factorization of 72991

Prime factors of 72991 are 47, 1553. Prime factorization of 72991 in exponential form is:

72991 = 471 × 15531

Now multiplying the highest exponent prime factors to calculate the LCM of 72984 and 72991.

LCM(72984,72991) = 23 × 31 × 30411 × 471 × 15531
LCM(72984,72991) = 5327175144