What is the Least Common Multiple of 64445 and 64465?

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 64445 and 64465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64445 and 64465, than apply into the LCM equation.

GCF(64445,64465) = 5
LCM(64445,64465) = ( 64445 × 64465) / 5
LCM(64445,64465) = 4154446925 / 5
LCM(64445,64465) = 830889385

Least Common Multiple (LCM) of 64445 and 64465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64445 and 64465. First we will calculate the prime factors of 64445 and 64465.

Prime Factorization of 64445

Prime Factorization of 64465

Now multiplying the highest exponent prime factors to calculate the LCM of 64445 and 64465.

LCM(64445,64465) = 5¹ × 12889¹ × 12893¹
LCM(64445,64465) = 830889385