What is the Least Common Multiple of 5561 and 5578?

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 5561 and 5578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5561 and 5578, than apply into the LCM equation.

GCF(5561,5578) = 1
LCM(5561,5578) = ( 5561 × 5578) / 1
LCM(5561,5578) = 31019258 / 1
LCM(5561,5578) = 31019258

Least Common Multiple (LCM) of 5561 and 5578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5561 and 5578. First we will calculate the prime factors of 5561 and 5578.

Prime Factorization of 5561

Prime Factorization of 5578

Now multiplying the highest exponent prime factors to calculate the LCM of 5561 and 5578.

LCM(5561,5578) = 67¹ × 83¹ × 2¹ × 2789¹
LCM(5561,5578) = 31019258