What is the Least Common Multiple of 77815 and 77828?

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 of 77815 and 77828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77815 and 77828, than apply into the LCM equation.

GCF(77815,77828) = 1
LCM(77815,77828) = ( 77815 × 77828) / 1
LCM(77815,77828) = 6056185820 / 1
LCM(77815,77828) = 6056185820

Least Common Multiple (LCM) of 77815 and 77828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77815 and 77828. First we will calculate the prime factors of 77815 and 77828.

Prime Factorization of 77815

Prime Factorization of 77828

Now multiplying the highest exponent prime factors to calculate the LCM of 77815 and 77828.

LCM(77815,77828) = 5¹ × 79¹ × 197¹ × 2² × 19457¹
LCM(77815,77828) = 6056185820