What is the Least Common Multiple of 66122 and 66140?

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 66122 and 66140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66122 and 66140, than apply into the LCM equation.

GCF(66122,66140) = 2
LCM(66122,66140) = ( 66122 × 66140) / 2
LCM(66122,66140) = 4373309080 / 2
LCM(66122,66140) = 2186654540

Least Common Multiple (LCM) of 66122 and 66140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66122 and 66140. First we will calculate the prime factors of 66122 and 66140.

Prime Factorization of 66122

Prime Factorization of 66140

Now multiplying the highest exponent prime factors to calculate the LCM of 66122 and 66140.

LCM(66122,66140) = 2² × 7¹ × 4723¹ × 5¹ × 3307¹
LCM(66122,66140) = 2186654540