GCF and LCM Calculator Logo

What is the Least Common Multiple of 77921 and 77930?

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 77921 and 77930 is 6072383530.

LCM(77921,77930) = 6072383530

LCM Calculator and
and

Least Common Multiple of 77921 and 77930 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77921 and 77930, than apply into the LCM equation.

GCF(77921,77930) = 1
LCM(77921,77930) = ( 77921 × 77930) / 1
LCM(77921,77930) = 6072383530 / 1
LCM(77921,77930) = 6072383530

Least Common Multiple (LCM) of 77921 and 77930 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77921 and 77930. First we will calculate the prime factors of 77921 and 77930.

Prime Factorization of 77921

Prime factors of 77921 are 67, 1163. Prime factorization of 77921 in exponential form is:

77921 = 671 × 11631

Prime Factorization of 77930

Prime factors of 77930 are 2, 5, 7793. Prime factorization of 77930 in exponential form is:

77930 = 21 × 51 × 77931

Now multiplying the highest exponent prime factors to calculate the LCM of 77921 and 77930.

LCM(77921,77930) = 671 × 11631 × 21 × 51 × 77931
LCM(77921,77930) = 6072383530