What is the Least Common Multiple of 11771 and 11778?

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 11771 and 11778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11771 and 11778, than apply into the LCM equation.

GCF(11771,11778) = 1
LCM(11771,11778) = ( 11771 × 11778) / 1
LCM(11771,11778) = 138638838 / 1
LCM(11771,11778) = 138638838

Least Common Multiple (LCM) of 11771 and 11778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11771 and 11778. First we will calculate the prime factors of 11771 and 11778.

Prime Factorization of 11771

Prime Factorization of 11778

Now multiplying the highest exponent prime factors to calculate the LCM of 11771 and 11778.

LCM(11771,11778) = 79¹ × 149¹ × 2¹ × 3¹ × 13¹ × 151¹
LCM(11771,11778) = 138638838