What is the Least Common Multiple of 2690 and 2710?

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 2690 and 2710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2690 and 2710, than apply into the LCM equation.

GCF(2690,2710) = 10
LCM(2690,2710) = ( 2690 × 2710) / 10
LCM(2690,2710) = 7289900 / 10
LCM(2690,2710) = 728990

Least Common Multiple (LCM) of 2690 and 2710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2690 and 2710. First we will calculate the prime factors of 2690 and 2710.

Prime Factorization of 2690

Prime Factorization of 2710

Now multiplying the highest exponent prime factors to calculate the LCM of 2690 and 2710.

LCM(2690,2710) = 2¹ × 5¹ × 269¹ × 271¹
LCM(2690,2710) = 728990