What is the Least Common Multiple of 80615 and 80620?

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 80615 and 80620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80615 and 80620, than apply into the LCM equation.

GCF(80615,80620) = 5
LCM(80615,80620) = ( 80615 × 80620) / 5
LCM(80615,80620) = 6499181300 / 5
LCM(80615,80620) = 1299836260

Least Common Multiple (LCM) of 80615 and 80620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80615 and 80620. First we will calculate the prime factors of 80615 and 80620.

Prime Factorization of 80615

Prime Factorization of 80620

Now multiplying the highest exponent prime factors to calculate the LCM of 80615 and 80620.

LCM(80615,80620) = 5¹ × 23¹ × 701¹ × 2² × 29¹ × 139¹
LCM(80615,80620) = 1299836260