What is the Least Common Multiple of 66646 and 66665?

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 66646 and 66665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66646 and 66665, than apply into the LCM equation.

GCF(66646,66665) = 1
LCM(66646,66665) = ( 66646 × 66665) / 1
LCM(66646,66665) = 4442955590 / 1
LCM(66646,66665) = 4442955590

Least Common Multiple (LCM) of 66646 and 66665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66646 and 66665. First we will calculate the prime factors of 66646 and 66665.

Prime Factorization of 66646

Prime Factorization of 66665

Now multiplying the highest exponent prime factors to calculate the LCM of 66646 and 66665.

LCM(66646,66665) = 2¹ × 47¹ × 709¹ × 5¹ × 67¹ × 199¹
LCM(66646,66665) = 4442955590