What is the Least Common Multiple of 71538 and 71542?

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 71538 and 71542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71538 and 71542, than apply into the LCM equation.

GCF(71538,71542) = 2
LCM(71538,71542) = ( 71538 × 71542) / 2
LCM(71538,71542) = 5117971596 / 2
LCM(71538,71542) = 2558985798

Least Common Multiple (LCM) of 71538 and 71542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71538 and 71542. First we will calculate the prime factors of 71538 and 71542.

Prime Factorization of 71538

Prime Factorization of 71542

Now multiplying the highest exponent prime factors to calculate the LCM of 71538 and 71542.

LCM(71538,71542) = 2¹ × 3¹ × 11923¹ × 35771¹
LCM(71538,71542) = 2558985798