What is the Least Common Multiple of 55638 and 55642?

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 55638 and 55642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55638 and 55642, than apply into the LCM equation.

GCF(55638,55642) = 2
LCM(55638,55642) = ( 55638 × 55642) / 2
LCM(55638,55642) = 3095809596 / 2
LCM(55638,55642) = 1547904798

Least Common Multiple (LCM) of 55638 and 55642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55638 and 55642. First we will calculate the prime factors of 55638 and 55642.

Prime Factorization of 55638

Prime Factorization of 55642

Now multiplying the highest exponent prime factors to calculate the LCM of 55638 and 55642.

LCM(55638,55642) = 2¹ × 3² × 11¹ × 281¹ × 43¹ × 647¹
LCM(55638,55642) = 1547904798