What is the Least Common Multiple of 12788 and 12802?

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 12788 and 12802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12788 and 12802, than apply into the LCM equation.

GCF(12788,12802) = 2
LCM(12788,12802) = ( 12788 × 12802) / 2
LCM(12788,12802) = 163711976 / 2
LCM(12788,12802) = 81855988

Least Common Multiple (LCM) of 12788 and 12802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12788 and 12802. First we will calculate the prime factors of 12788 and 12802.

Prime Factorization of 12788

Prime Factorization of 12802

Now multiplying the highest exponent prime factors to calculate the LCM of 12788 and 12802.

LCM(12788,12802) = 2² × 23¹ × 139¹ × 37¹ × 173¹
LCM(12788,12802) = 81855988