What is the Least Common Multiple of 85716 and 85732?

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 85716 and 85732 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85716 and 85732, than apply into the LCM equation.

GCF(85716,85732) = 4
LCM(85716,85732) = ( 85716 × 85732) / 4
LCM(85716,85732) = 7348604112 / 4
LCM(85716,85732) = 1837151028

Least Common Multiple (LCM) of 85716 and 85732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85716 and 85732. First we will calculate the prime factors of 85716 and 85732.

Prime Factorization of 85716

Prime Factorization of 85732

Now multiplying the highest exponent prime factors to calculate the LCM of 85716 and 85732.

LCM(85716,85732) = 2² × 3² × 2381¹ × 21433¹
LCM(85716,85732) = 1837151028