What is the Least Common Multiple of 19151 and 19171?

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 19151 and 19171 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19151 and 19171, than apply into the LCM equation.

GCF(19151,19171) = 1
LCM(19151,19171) = ( 19151 × 19171) / 1
LCM(19151,19171) = 367143821 / 1
LCM(19151,19171) = 367143821

Least Common Multiple (LCM) of 19151 and 19171 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19151 and 19171. First we will calculate the prime factors of 19151 and 19171.

Prime Factorization of 19151

Prime Factorization of 19171

Now multiplying the highest exponent prime factors to calculate the LCM of 19151 and 19171.

LCM(19151,19171) = 11¹ × 1741¹ × 19¹ × 1009¹
LCM(19151,19171) = 367143821