What is the Least Common Multiple of 12778 and 12791?

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 12778 and 12791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12778 and 12791, than apply into the LCM equation.

GCF(12778,12791) = 1
LCM(12778,12791) = ( 12778 × 12791) / 1
LCM(12778,12791) = 163443398 / 1
LCM(12778,12791) = 163443398

Least Common Multiple (LCM) of 12778 and 12791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12778 and 12791. First we will calculate the prime factors of 12778 and 12791.

Prime Factorization of 12778

Prime Factorization of 12791

Now multiplying the highest exponent prime factors to calculate the LCM of 12778 and 12791.

LCM(12778,12791) = 2¹ × 6389¹ × 12791¹
LCM(12778,12791) = 163443398