What is the Least Common Multiple of 61638 and 61655?

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 61638 and 61655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61638 and 61655, than apply into the LCM equation.

GCF(61638,61655) = 1
LCM(61638,61655) = ( 61638 × 61655) / 1
LCM(61638,61655) = 3800290890 / 1
LCM(61638,61655) = 3800290890

Least Common Multiple (LCM) of 61638 and 61655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61638 and 61655. First we will calculate the prime factors of 61638 and 61655.

Prime Factorization of 61638

Prime Factorization of 61655

Now multiplying the highest exponent prime factors to calculate the LCM of 61638 and 61655.

LCM(61638,61655) = 2¹ × 3¹ × 10273¹ × 5¹ × 11¹ × 19¹ × 59¹
LCM(61638,61655) = 3800290890