What is the Least Common Multiple of 66641 and 66645?

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 66641 and 66645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66641 and 66645, than apply into the LCM equation.

GCF(66641,66645) = 1
LCM(66641,66645) = ( 66641 × 66645) / 1
LCM(66641,66645) = 4441289445 / 1
LCM(66641,66645) = 4441289445

Least Common Multiple (LCM) of 66641 and 66645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66641 and 66645. First we will calculate the prime factors of 66641 and 66645.

Prime Factorization of 66641

Prime Factorization of 66645

Now multiplying the highest exponent prime factors to calculate the LCM of 66641 and 66645.

LCM(66641,66645) = 103¹ × 647¹ × 3² × 5¹ × 1481¹
LCM(66641,66645) = 4441289445