What is the Least Common Multiple of 27890 and 27902?

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 27890 and 27902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27890 and 27902, than apply into the LCM equation.

GCF(27890,27902) = 2
LCM(27890,27902) = ( 27890 × 27902) / 2
LCM(27890,27902) = 778186780 / 2
LCM(27890,27902) = 389093390

Least Common Multiple (LCM) of 27890 and 27902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27890 and 27902. First we will calculate the prime factors of 27890 and 27902.

Prime Factorization of 27890

Prime Factorization of 27902

Now multiplying the highest exponent prime factors to calculate the LCM of 27890 and 27902.

LCM(27890,27902) = 2¹ × 5¹ × 2789¹ × 7¹ × 1993¹
LCM(27890,27902) = 389093390