What is the Least Common Multiple of 11470 and 11481?

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 11470 and 11481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11470 and 11481, than apply into the LCM equation.

GCF(11470,11481) = 1
LCM(11470,11481) = ( 11470 × 11481) / 1
LCM(11470,11481) = 131687070 / 1
LCM(11470,11481) = 131687070

Least Common Multiple (LCM) of 11470 and 11481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11470 and 11481. First we will calculate the prime factors of 11470 and 11481.

Prime Factorization of 11470

Prime Factorization of 11481

Now multiplying the highest exponent prime factors to calculate the LCM of 11470 and 11481.

LCM(11470,11481) = 2¹ × 5¹ × 31¹ × 37¹ × 3¹ × 43¹ × 89¹
LCM(11470,11481) = 131687070