What is the Least Common Multiple of 27940 and 27955?

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 27940 and 27955 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27940 and 27955, than apply into the LCM equation.

GCF(27940,27955) = 5
LCM(27940,27955) = ( 27940 × 27955) / 5
LCM(27940,27955) = 781062700 / 5
LCM(27940,27955) = 156212540

Least Common Multiple (LCM) of 27940 and 27955 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27940 and 27955. First we will calculate the prime factors of 27940 and 27955.

Prime Factorization of 27940

Prime Factorization of 27955

Now multiplying the highest exponent prime factors to calculate the LCM of 27940 and 27955.

LCM(27940,27955) = 2² × 5¹ × 11¹ × 127¹ × 5591¹
LCM(27940,27955) = 156212540