What is the Least Common Multiple of 556 and 566?

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 556 and 566 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 556 and 566, than apply into the LCM equation.

GCF(556,566) = 2
LCM(556,566) = ( 556 × 566) / 2
LCM(556,566) = 314696 / 2
LCM(556,566) = 157348

Least Common Multiple (LCM) of 556 and 566 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 556 and 566. First we will calculate the prime factors of 556 and 566.

Prime Factorization of 556

Prime Factorization of 566

Now multiplying the highest exponent prime factors to calculate the LCM of 556 and 566.

LCM(556,566) = 2² × 139¹ × 283¹
LCM(556,566) = 157348