What is the Least Common Multiple of 84980 and 84988?

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 84980 and 84988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84980 and 84988, than apply into the LCM equation.

GCF(84980,84988) = 4
LCM(84980,84988) = ( 84980 × 84988) / 4
LCM(84980,84988) = 7222280240 / 4
LCM(84980,84988) = 1805570060

Least Common Multiple (LCM) of 84980 and 84988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84980 and 84988. First we will calculate the prime factors of 84980 and 84988.

Prime Factorization of 84980

Prime Factorization of 84988

Now multiplying the highest exponent prime factors to calculate the LCM of 84980 and 84988.

LCM(84980,84988) = 2² × 5¹ × 7¹ × 607¹ × 21247¹
LCM(84980,84988) = 1805570060