What is the Least Common Multiple of 81522 and 81528?

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 81522 and 81528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81522 and 81528, than apply into the LCM equation.

GCF(81522,81528) = 6
LCM(81522,81528) = ( 81522 × 81528) / 6
LCM(81522,81528) = 6646325616 / 6
LCM(81522,81528) = 1107720936

Least Common Multiple (LCM) of 81522 and 81528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81522 and 81528. First we will calculate the prime factors of 81522 and 81528.

Prime Factorization of 81522

Prime Factorization of 81528

Now multiplying the highest exponent prime factors to calculate the LCM of 81522 and 81528.

LCM(81522,81528) = 2³ × 3² × 7¹ × 647¹ × 43¹ × 79¹
LCM(81522,81528) = 1107720936