What is the Least Common Multiple of 65998 and 66005?

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 65998 and 66005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65998 and 66005, than apply into the LCM equation.

GCF(65998,66005) = 1
LCM(65998,66005) = ( 65998 × 66005) / 1
LCM(65998,66005) = 4356197990 / 1
LCM(65998,66005) = 4356197990

Least Common Multiple (LCM) of 65998 and 66005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65998 and 66005. First we will calculate the prime factors of 65998 and 66005.

Prime Factorization of 65998

Prime Factorization of 66005

Now multiplying the highest exponent prime factors to calculate the LCM of 65998 and 66005.

LCM(65998,66005) = 2¹ × 32999¹ × 5¹ × 43¹ × 307¹
LCM(65998,66005) = 4356197990