What is the Least Common Multiple of 64974 and 64985?

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 64974 and 64985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64974 and 64985, than apply into the LCM equation.

GCF(64974,64985) = 1
LCM(64974,64985) = ( 64974 × 64985) / 1
LCM(64974,64985) = 4222335390 / 1
LCM(64974,64985) = 4222335390

Least Common Multiple (LCM) of 64974 and 64985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64974 and 64985. First we will calculate the prime factors of 64974 and 64985.

Prime Factorization of 64974

Prime Factorization of 64985

Now multiplying the highest exponent prime factors to calculate the LCM of 64974 and 64985.

LCM(64974,64985) = 2¹ × 3¹ × 7² × 13¹ × 17¹ × 5¹ × 41¹ × 317¹
LCM(64974,64985) = 4222335390