What is the Least Common Multiple of 25971 and 25978?

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 25971 and 25978 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25971 and 25978, than apply into the LCM equation.

GCF(25971,25978) = 1
LCM(25971,25978) = ( 25971 × 25978) / 1
LCM(25971,25978) = 674674638 / 1
LCM(25971,25978) = 674674638

Least Common Multiple (LCM) of 25971 and 25978 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25971 and 25978. First we will calculate the prime factors of 25971 and 25978.

Prime Factorization of 25971

Prime Factorization of 25978

Now multiplying the highest exponent prime factors to calculate the LCM of 25971 and 25978.

LCM(25971,25978) = 3¹ × 11¹ × 787¹ × 2¹ × 31¹ × 419¹
LCM(25971,25978) = 674674638