What is the Least Common Multiple of 66020 and 66040?

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 66020 and 66040 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66020 and 66040, than apply into the LCM equation.

GCF(66020,66040) = 20
LCM(66020,66040) = ( 66020 × 66040) / 20
LCM(66020,66040) = 4359960800 / 20
LCM(66020,66040) = 217998040

Least Common Multiple (LCM) of 66020 and 66040 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66020 and 66040. First we will calculate the prime factors of 66020 and 66040.

Prime Factorization of 66020

Prime Factorization of 66040

Now multiplying the highest exponent prime factors to calculate the LCM of 66020 and 66040.

LCM(66020,66040) = 2³ × 5¹ × 3301¹ × 13¹ × 127¹
LCM(66020,66040) = 217998040