What is the Least Common Multiple of 7690 and 7706?

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 7690 and 7706 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7690 and 7706, than apply into the LCM equation.

GCF(7690,7706) = 2
LCM(7690,7706) = ( 7690 × 7706) / 2
LCM(7690,7706) = 59259140 / 2
LCM(7690,7706) = 29629570

Least Common Multiple (LCM) of 7690 and 7706 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7690 and 7706. First we will calculate the prime factors of 7690 and 7706.

Prime Factorization of 7690

Prime Factorization of 7706

Now multiplying the highest exponent prime factors to calculate the LCM of 7690 and 7706.

LCM(7690,7706) = 2¹ × 5¹ × 769¹ × 3853¹
LCM(7690,7706) = 29629570