What is the Least Common Multiple of 27948 and 27958?

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 27948 and 27958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27948 and 27958, than apply into the LCM equation.

GCF(27948,27958) = 2
LCM(27948,27958) = ( 27948 × 27958) / 2
LCM(27948,27958) = 781370184 / 2
LCM(27948,27958) = 390685092

Least Common Multiple (LCM) of 27948 and 27958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27948 and 27958. First we will calculate the prime factors of 27948 and 27958.

Prime Factorization of 27948

Prime Factorization of 27958

Now multiplying the highest exponent prime factors to calculate the LCM of 27948 and 27958.

LCM(27948,27958) = 2² × 3¹ × 17¹ × 137¹ × 7¹ × 1997¹
LCM(27948,27958) = 390685092