What is the Least Common Multiple of 64431 and 64437?

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 64431 and 64437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64431 and 64437, than apply into the LCM equation.

GCF(64431,64437) = 3
LCM(64431,64437) = ( 64431 × 64437) / 3
LCM(64431,64437) = 4151740347 / 3
LCM(64431,64437) = 1383913449

Least Common Multiple (LCM) of 64431 and 64437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64431 and 64437. First we will calculate the prime factors of 64431 and 64437.

Prime Factorization of 64431

Prime Factorization of 64437

Now multiplying the highest exponent prime factors to calculate the LCM of 64431 and 64437.

LCM(64431,64437) = 3² × 7159¹ × 47¹ × 457¹
LCM(64431,64437) = 1383913449