What is the Least Common Multiple of 5556 and 5560?

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 5556 and 5560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5556 and 5560, than apply into the LCM equation.

GCF(5556,5560) = 4
LCM(5556,5560) = ( 5556 × 5560) / 4
LCM(5556,5560) = 30891360 / 4
LCM(5556,5560) = 7722840

Least Common Multiple (LCM) of 5556 and 5560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5556 and 5560. First we will calculate the prime factors of 5556 and 5560.

Prime Factorization of 5556

Prime Factorization of 5560

Now multiplying the highest exponent prime factors to calculate the LCM of 5556 and 5560.

LCM(5556,5560) = 2³ × 3¹ × 463¹ × 5¹ × 139¹
LCM(5556,5560) = 7722840