What is the Least Common Multiple of 54640 and 54658?

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 54640 and 54658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54640 and 54658, than apply into the LCM equation.

GCF(54640,54658) = 2
LCM(54640,54658) = ( 54640 × 54658) / 2
LCM(54640,54658) = 2986513120 / 2
LCM(54640,54658) = 1493256560

Least Common Multiple (LCM) of 54640 and 54658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54640 and 54658. First we will calculate the prime factors of 54640 and 54658.

Prime Factorization of 54640

Prime Factorization of 54658

Now multiplying the highest exponent prime factors to calculate the LCM of 54640 and 54658.

LCM(54640,54658) = 2⁴ × 5¹ × 683¹ × 27329¹
LCM(54640,54658) = 1493256560