What is the Least Common Multiple of 61778 and 61786?

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 61778 and 61786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61778 and 61786, than apply into the LCM equation.

GCF(61778,61786) = 2
LCM(61778,61786) = ( 61778 × 61786) / 2
LCM(61778,61786) = 3817015508 / 2
LCM(61778,61786) = 1908507754

Least Common Multiple (LCM) of 61778 and 61786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61778 and 61786. First we will calculate the prime factors of 61778 and 61786.

Prime Factorization of 61778

Prime Factorization of 61786

Now multiplying the highest exponent prime factors to calculate the LCM of 61778 and 61786.

LCM(61778,61786) = 2¹ × 17¹ × 23¹ × 79¹ × 30893¹
LCM(61778,61786) = 1908507754