GCF and LCM Calculator Logo

What is the Least Common Multiple of 77478 and 77492?

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 77478 and 77492 is 3001962588.

LCM(77478,77492) = 3001962588

LCM Calculator and
and

Least Common Multiple of 77478 and 77492 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77478 and 77492, than apply into the LCM equation.

GCF(77478,77492) = 2
LCM(77478,77492) = ( 77478 × 77492) / 2
LCM(77478,77492) = 6003925176 / 2
LCM(77478,77492) = 3001962588

Least Common Multiple (LCM) of 77478 and 77492 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77478 and 77492. First we will calculate the prime factors of 77478 and 77492.

Prime Factorization of 77478

Prime factors of 77478 are 2, 3, 37, 349. Prime factorization of 77478 in exponential form is:

77478 = 21 × 31 × 371 × 3491

Prime Factorization of 77492

Prime factors of 77492 are 2, 19373. Prime factorization of 77492 in exponential form is:

77492 = 22 × 193731

Now multiplying the highest exponent prime factors to calculate the LCM of 77478 and 77492.

LCM(77478,77492) = 22 × 31 × 371 × 3491 × 193731
LCM(77478,77492) = 3001962588