What is the Least Common Multiple of 11291 and 11305?

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 11291 and 11305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11291 and 11305, than apply into the LCM equation.

GCF(11291,11305) = 7
LCM(11291,11305) = ( 11291 × 11305) / 7
LCM(11291,11305) = 127644755 / 7
LCM(11291,11305) = 18234965

Least Common Multiple (LCM) of 11291 and 11305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11291 and 11305. First we will calculate the prime factors of 11291 and 11305.

Prime Factorization of 11291

Prime Factorization of 11305

Now multiplying the highest exponent prime factors to calculate the LCM of 11291 and 11305.

LCM(11291,11305) = 7¹ × 1613¹ × 5¹ × 17¹ × 19¹
LCM(11291,11305) = 18234965