GCF and LCM Calculator Logo

What is the Least Common Multiple of 79728 and 79747?

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 79728 and 79747 is 6358068816.

LCM(79728,79747) = 6358068816

LCM Calculator and
and

Least Common Multiple of 79728 and 79747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79728 and 79747, than apply into the LCM equation.

GCF(79728,79747) = 1
LCM(79728,79747) = ( 79728 × 79747) / 1
LCM(79728,79747) = 6358068816 / 1
LCM(79728,79747) = 6358068816

Least Common Multiple (LCM) of 79728 and 79747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79728 and 79747. First we will calculate the prime factors of 79728 and 79747.

Prime Factorization of 79728

Prime factors of 79728 are 2, 3, 11, 151. Prime factorization of 79728 in exponential form is:

79728 = 24 × 31 × 111 × 1511

Prime Factorization of 79747

Prime factors of 79747 are 17, 4691. Prime factorization of 79747 in exponential form is:

79747 = 171 × 46911

Now multiplying the highest exponent prime factors to calculate the LCM of 79728 and 79747.

LCM(79728,79747) = 24 × 31 × 111 × 1511 × 171 × 46911
LCM(79728,79747) = 6358068816