What is the Least Common Multiple of 10639 and 10643?

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 10639 and 10643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10639 and 10643, than apply into the LCM equation.

GCF(10639,10643) = 1
LCM(10639,10643) = ( 10639 × 10643) / 1
LCM(10639,10643) = 113230877 / 1
LCM(10639,10643) = 113230877

Least Common Multiple (LCM) of 10639 and 10643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10639 and 10643. First we will calculate the prime factors of 10639 and 10643.

Prime Factorization of 10639

Prime Factorization of 10643

Now multiplying the highest exponent prime factors to calculate the LCM of 10639 and 10643.

LCM(10639,10643) = 10639¹ × 29¹ × 367¹
LCM(10639,10643) = 113230877