What is the Least Common Multiple of 64978 and 64993?

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 64978 and 64993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64978 and 64993, than apply into the LCM equation.

GCF(64978,64993) = 1
LCM(64978,64993) = ( 64978 × 64993) / 1
LCM(64978,64993) = 4223115154 / 1
LCM(64978,64993) = 4223115154

Least Common Multiple (LCM) of 64978 and 64993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64978 and 64993. First we will calculate the prime factors of 64978 and 64993.

Prime Factorization of 64978

Prime Factorization of 64993

Now multiplying the highest exponent prime factors to calculate the LCM of 64978 and 64993.

LCM(64978,64993) = 2¹ × 53¹ × 613¹ × 103¹ × 631¹
LCM(64978,64993) = 4223115154