What is the Least Common Multiple of 11989 and 12007?

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 11989 and 12007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11989 and 12007, than apply into the LCM equation.

GCF(11989,12007) = 1
LCM(11989,12007) = ( 11989 × 12007) / 1
LCM(11989,12007) = 143951923 / 1
LCM(11989,12007) = 143951923

Least Common Multiple (LCM) of 11989 and 12007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11989 and 12007. First we will calculate the prime factors of 11989 and 12007.

Prime Factorization of 11989

Prime Factorization of 12007

Now multiplying the highest exponent prime factors to calculate the LCM of 11989 and 12007.

LCM(11989,12007) = 19¹ × 631¹ × 12007¹
LCM(11989,12007) = 143951923