What is the Least Common Multiple of 64745 and 64765?

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 64745 and 64765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64745 and 64765, than apply into the LCM equation.

GCF(64745,64765) = 5
LCM(64745,64765) = ( 64745 × 64765) / 5
LCM(64745,64765) = 4193209925 / 5
LCM(64745,64765) = 838641985

Least Common Multiple (LCM) of 64745 and 64765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64745 and 64765. First we will calculate the prime factors of 64745 and 64765.

Prime Factorization of 64745

Prime Factorization of 64765

Now multiplying the highest exponent prime factors to calculate the LCM of 64745 and 64765.

LCM(64745,64765) = 5¹ × 23¹ × 563¹ × 12953¹
LCM(64745,64765) = 838641985