What is the Least Common Multiple of 64474 and 64486?

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 64474 and 64486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64474 and 64486, than apply into the LCM equation.

GCF(64474,64486) = 2
LCM(64474,64486) = ( 64474 × 64486) / 2
LCM(64474,64486) = 4157670364 / 2
LCM(64474,64486) = 2078835182

Least Common Multiple (LCM) of 64474 and 64486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64474 and 64486. First we will calculate the prime factors of 64474 and 64486.

Prime Factorization of 64474

Prime Factorization of 64486

Now multiplying the highest exponent prime factors to calculate the LCM of 64474 and 64486.

LCM(64474,64486) = 2¹ × 32237¹ × 19¹ × 1697¹
LCM(64474,64486) = 2078835182