What is the Least Common Multiple of 54638 and 54646?

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 54638 and 54646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54638 and 54646, than apply into the LCM equation.

GCF(54638,54646) = 2
LCM(54638,54646) = ( 54638 × 54646) / 2
LCM(54638,54646) = 2985748148 / 2
LCM(54638,54646) = 1492874074

Least Common Multiple (LCM) of 54638 and 54646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54638 and 54646. First we will calculate the prime factors of 54638 and 54646.

Prime Factorization of 54638

Prime Factorization of 54646

Now multiplying the highest exponent prime factors to calculate the LCM of 54638 and 54646.

LCM(54638,54646) = 2¹ × 17¹ × 1607¹ × 89¹ × 307¹
LCM(54638,54646) = 1492874074