What is the Least Common Multiple of 4538 and 4542?

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 4538 and 4542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4538 and 4542, than apply into the LCM equation.

GCF(4538,4542) = 2
LCM(4538,4542) = ( 4538 × 4542) / 2
LCM(4538,4542) = 20611596 / 2
LCM(4538,4542) = 10305798

Least Common Multiple (LCM) of 4538 and 4542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4538 and 4542. First we will calculate the prime factors of 4538 and 4542.

Prime Factorization of 4538

Prime Factorization of 4542

Now multiplying the highest exponent prime factors to calculate the LCM of 4538 and 4542.

LCM(4538,4542) = 2¹ × 2269¹ × 3¹ × 757¹
LCM(4538,4542) = 10305798