What is the Least Common Multiple of 11620 and 11639?

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 11620 and 11639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11620 and 11639, than apply into the LCM equation.

GCF(11620,11639) = 1
LCM(11620,11639) = ( 11620 × 11639) / 1
LCM(11620,11639) = 135245180 / 1
LCM(11620,11639) = 135245180

Least Common Multiple (LCM) of 11620 and 11639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11620 and 11639. First we will calculate the prime factors of 11620 and 11639.

Prime Factorization of 11620

Prime Factorization of 11639

Now multiplying the highest exponent prime factors to calculate the LCM of 11620 and 11639.

LCM(11620,11639) = 2² × 5¹ × 7¹ × 83¹ × 103¹ × 113¹
LCM(11620,11639) = 135245180