GCF and LCM Calculator Logo

What is the Least Common Multiple of 77942 and 77955?

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 77942 and 77955 is 6075968610.

LCM(77942,77955) = 6075968610

LCM Calculator and
and

Least Common Multiple of 77942 and 77955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77942 and 77955, than apply into the LCM equation.

GCF(77942,77955) = 1
LCM(77942,77955) = ( 77942 × 77955) / 1
LCM(77942,77955) = 6075968610 / 1
LCM(77942,77955) = 6075968610

Least Common Multiple (LCM) of 77942 and 77955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77942 and 77955. First we will calculate the prime factors of 77942 and 77955.

Prime Factorization of 77942

Prime factors of 77942 are 2, 38971. Prime factorization of 77942 in exponential form is:

77942 = 21 × 389711

Prime Factorization of 77955

Prime factors of 77955 are 3, 5, 5197. Prime factorization of 77955 in exponential form is:

77955 = 31 × 51 × 51971

Now multiplying the highest exponent prime factors to calculate the LCM of 77942 and 77955.

LCM(77942,77955) = 21 × 389711 × 31 × 51 × 51971
LCM(77942,77955) = 6075968610