What is the Least Common Multiple of 84090 and 84110?

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 84090 and 84110 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84090 and 84110, than apply into the LCM equation.

GCF(84090,84110) = 10
LCM(84090,84110) = ( 84090 × 84110) / 10
LCM(84090,84110) = 7072809900 / 10
LCM(84090,84110) = 707280990

Least Common Multiple (LCM) of 84090 and 84110 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84090 and 84110. First we will calculate the prime factors of 84090 and 84110.

Prime Factorization of 84090

Prime Factorization of 84110

Now multiplying the highest exponent prime factors to calculate the LCM of 84090 and 84110.

LCM(84090,84110) = 2¹ × 3¹ × 5¹ × 2803¹ × 13¹ × 647¹
LCM(84090,84110) = 707280990