What is the Least Common Multiple of 18761 and 18769?

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 18761 and 18769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18761 and 18769, than apply into the LCM equation.

GCF(18761,18769) = 1
LCM(18761,18769) = ( 18761 × 18769) / 1
LCM(18761,18769) = 352125209 / 1
LCM(18761,18769) = 352125209

Least Common Multiple (LCM) of 18761 and 18769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18761 and 18769. First we will calculate the prime factors of 18761 and 18769.

Prime Factorization of 18761

Prime Factorization of 18769

Now multiplying the highest exponent prime factors to calculate the LCM of 18761 and 18769.

LCM(18761,18769) = 73¹ × 257¹ × 137²
LCM(18761,18769) = 352125209