What is the Least Common Multiple of 21091 and 21110?

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 21091 and 21110 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21091 and 21110, than apply into the LCM equation.

GCF(21091,21110) = 1
LCM(21091,21110) = ( 21091 × 21110) / 1
LCM(21091,21110) = 445231010 / 1
LCM(21091,21110) = 445231010

Least Common Multiple (LCM) of 21091 and 21110 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21091 and 21110. First we will calculate the prime factors of 21091 and 21110.

Prime Factorization of 21091

Prime Factorization of 21110

Now multiplying the highest exponent prime factors to calculate the LCM of 21091 and 21110.

LCM(21091,21110) = 7¹ × 23¹ × 131¹ × 2¹ × 5¹ × 2111¹
LCM(21091,21110) = 445231010