GCF and LCM Calculator Logo

What is the Least Common Multiple of 77530 and 77542?

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 77530 and 77542 is 3005915630.

LCM(77530,77542) = 3005915630

LCM Calculator and
and

Least Common Multiple of 77530 and 77542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77530 and 77542, than apply into the LCM equation.

GCF(77530,77542) = 2
LCM(77530,77542) = ( 77530 × 77542) / 2
LCM(77530,77542) = 6011831260 / 2
LCM(77530,77542) = 3005915630

Least Common Multiple (LCM) of 77530 and 77542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77530 and 77542. First we will calculate the prime factors of 77530 and 77542.

Prime Factorization of 77530

Prime factors of 77530 are 2, 5, 7753. Prime factorization of 77530 in exponential form is:

77530 = 21 × 51 × 77531

Prime Factorization of 77542

Prime factors of 77542 are 2, 137, 283. Prime factorization of 77542 in exponential form is:

77542 = 21 × 1371 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 77530 and 77542.

LCM(77530,77542) = 21 × 51 × 77531 × 1371 × 2831
LCM(77530,77542) = 3005915630