What is the Least Common Multiple of 66220 and 66224?

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 66220 and 66224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66220 and 66224, than apply into the LCM equation.

GCF(66220,66224) = 4
LCM(66220,66224) = ( 66220 × 66224) / 4
LCM(66220,66224) = 4385353280 / 4
LCM(66220,66224) = 1096338320

Least Common Multiple (LCM) of 66220 and 66224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66220 and 66224. First we will calculate the prime factors of 66220 and 66224.

Prime Factorization of 66220

Prime Factorization of 66224

Now multiplying the highest exponent prime factors to calculate the LCM of 66220 and 66224.

LCM(66220,66224) = 2⁴ × 5¹ × 7¹ × 11¹ × 43¹ × 4139¹
LCM(66220,66224) = 1096338320