What is the Least Common Multiple of 85660 and 85672?

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 85660 and 85672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85660 and 85672, than apply into the LCM equation.

GCF(85660,85672) = 4
LCM(85660,85672) = ( 85660 × 85672) / 4
LCM(85660,85672) = 7338663520 / 4
LCM(85660,85672) = 1834665880

Least Common Multiple (LCM) of 85660 and 85672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85660 and 85672. First we will calculate the prime factors of 85660 and 85672.

Prime Factorization of 85660

Prime Factorization of 85672

Now multiplying the highest exponent prime factors to calculate the LCM of 85660 and 85672.

LCM(85660,85672) = 2³ × 5¹ × 4283¹ × 10709¹
LCM(85660,85672) = 1834665880