What is the Least Common Multiple of 97638 and 97658?

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 97638 and 97658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97638 and 97658, than apply into the LCM equation.

GCF(97638,97658) = 2
LCM(97638,97658) = ( 97638 × 97658) / 2
LCM(97638,97658) = 9535131804 / 2
LCM(97638,97658) = 4767565902

Least Common Multiple (LCM) of 97638 and 97658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97638 and 97658. First we will calculate the prime factors of 97638 and 97658.

Prime Factorization of 97638

Prime Factorization of 97658

Now multiplying the highest exponent prime factors to calculate the LCM of 97638 and 97658.

LCM(97638,97658) = 2¹ × 3¹ × 16273¹ × 11¹ × 23¹ × 193¹
LCM(97638,97658) = 4767565902