GCF and LCM Calculator Logo

What is the Least Common Multiple of 77742 and 77750?

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 77742 and 77750 is 3022220250.

LCM(77742,77750) = 3022220250

LCM Calculator and
and

Least Common Multiple of 77742 and 77750 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77742 and 77750, than apply into the LCM equation.

GCF(77742,77750) = 2
LCM(77742,77750) = ( 77742 × 77750) / 2
LCM(77742,77750) = 6044440500 / 2
LCM(77742,77750) = 3022220250

Least Common Multiple (LCM) of 77742 and 77750 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77742 and 77750. First we will calculate the prime factors of 77742 and 77750.

Prime Factorization of 77742

Prime factors of 77742 are 2, 3, 7, 617. Prime factorization of 77742 in exponential form is:

77742 = 21 × 32 × 71 × 6171

Prime Factorization of 77750

Prime factors of 77750 are 2, 5, 311. Prime factorization of 77750 in exponential form is:

77750 = 21 × 53 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 77742 and 77750.

LCM(77742,77750) = 21 × 32 × 71 × 6171 × 53 × 3111
LCM(77742,77750) = 3022220250