What is the Least Common Multiple of 64606 and 64620?

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 64606 and 64620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64606 and 64620, than apply into the LCM equation.

GCF(64606,64620) = 2
LCM(64606,64620) = ( 64606 × 64620) / 2
LCM(64606,64620) = 4174839720 / 2
LCM(64606,64620) = 2087419860

Least Common Multiple (LCM) of 64606 and 64620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64606 and 64620. First we will calculate the prime factors of 64606 and 64620.

Prime Factorization of 64606

Prime Factorization of 64620

Now multiplying the highest exponent prime factors to calculate the LCM of 64606 and 64620.

LCM(64606,64620) = 2² × 32303¹ × 3² × 5¹ × 359¹
LCM(64606,64620) = 2087419860