What is the Least Common Multiple of 64778 and 64783?

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 64778 and 64783 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64778 and 64783, than apply into the LCM equation.

GCF(64778,64783) = 1
LCM(64778,64783) = ( 64778 × 64783) / 1
LCM(64778,64783) = 4196513174 / 1
LCM(64778,64783) = 4196513174

Least Common Multiple (LCM) of 64778 and 64783 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64778 and 64783. First we will calculate the prime factors of 64778 and 64783.

Prime Factorization of 64778

Prime Factorization of 64783

Now multiplying the highest exponent prime factors to calculate the LCM of 64778 and 64783.

LCM(64778,64783) = 2¹ × 7² × 661¹ × 64783¹
LCM(64778,64783) = 4196513174