What is the Least Common Multiple of 7110 and 7122?

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 7110 and 7122 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7110 and 7122, than apply into the LCM equation.

GCF(7110,7122) = 6
LCM(7110,7122) = ( 7110 × 7122) / 6
LCM(7110,7122) = 50637420 / 6
LCM(7110,7122) = 8439570

Least Common Multiple (LCM) of 7110 and 7122 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7110 and 7122. First we will calculate the prime factors of 7110 and 7122.

Prime Factorization of 7110

Prime Factorization of 7122

Now multiplying the highest exponent prime factors to calculate the LCM of 7110 and 7122.

LCM(7110,7122) = 2¹ × 3² × 5¹ × 79¹ × 1187¹
LCM(7110,7122) = 8439570