What is the Least Common Multiple of 64275 and 64281?

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 64275 and 64281 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64275 and 64281, than apply into the LCM equation.

GCF(64275,64281) = 3
LCM(64275,64281) = ( 64275 × 64281) / 3
LCM(64275,64281) = 4131661275 / 3
LCM(64275,64281) = 1377220425

Least Common Multiple (LCM) of 64275 and 64281 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64275 and 64281. First we will calculate the prime factors of 64275 and 64281.

Prime Factorization of 64275

Prime Factorization of 64281

Now multiplying the highest exponent prime factors to calculate the LCM of 64275 and 64281.

LCM(64275,64281) = 3¹ × 5² × 857¹ × 7¹ × 3061¹
LCM(64275,64281) = 1377220425