What is the Least Common Multiple of 66880 and 66886?

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 66880 and 66886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66880 and 66886, than apply into the LCM equation.

GCF(66880,66886) = 2
LCM(66880,66886) = ( 66880 × 66886) / 2
LCM(66880,66886) = 4473335680 / 2
LCM(66880,66886) = 2236667840

Least Common Multiple (LCM) of 66880 and 66886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66880 and 66886. First we will calculate the prime factors of 66880 and 66886.

Prime Factorization of 66880

Prime Factorization of 66886

Now multiplying the highest exponent prime factors to calculate the LCM of 66880 and 66886.

LCM(66880,66886) = 2⁶ × 5¹ × 11¹ × 19¹ × 53¹ × 631¹
LCM(66880,66886) = 2236667840