What is the Least Common Multiple of 19751 and 19771?

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 19751 and 19771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19751 and 19771, than apply into the LCM equation.

GCF(19751,19771) = 1
LCM(19751,19771) = ( 19751 × 19771) / 1
LCM(19751,19771) = 390497021 / 1
LCM(19751,19771) = 390497021

Least Common Multiple (LCM) of 19751 and 19771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19751 and 19771. First we will calculate the prime factors of 19751 and 19771.

Prime Factorization of 19751

Prime Factorization of 19771

Now multiplying the highest exponent prime factors to calculate the LCM of 19751 and 19771.

LCM(19751,19771) = 19751¹ × 17¹ × 1163¹
LCM(19751,19771) = 390497021