What is the Least Common Multiple of 13660 and 13678?

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 13660 and 13678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13660 and 13678, than apply into the LCM equation.

GCF(13660,13678) = 2
LCM(13660,13678) = ( 13660 × 13678) / 2
LCM(13660,13678) = 186841480 / 2
LCM(13660,13678) = 93420740

Least Common Multiple (LCM) of 13660 and 13678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13660 and 13678. First we will calculate the prime factors of 13660 and 13678.

Prime Factorization of 13660

Prime Factorization of 13678

Now multiplying the highest exponent prime factors to calculate the LCM of 13660 and 13678.

LCM(13660,13678) = 2² × 5¹ × 683¹ × 7¹ × 977¹
LCM(13660,13678) = 93420740