GCF and LCM Calculator Logo

What is the Least Common Multiple of 47861 and 47880?

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 (LCM) of 47861 and 47880 is 120609720.

LCM(47861,47880) = 120609720

LCM Calculator and
and

Least Common Multiple of 47861 and 47880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47861 and 47880, than apply into the LCM equation.

GCF(47861,47880) = 19
LCM(47861,47880) = ( 47861 × 47880) / 19
LCM(47861,47880) = 2291584680 / 19
LCM(47861,47880) = 120609720

Least Common Multiple (LCM) of 47861 and 47880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47861 and 47880. First we will calculate the prime factors of 47861 and 47880.

Prime Factorization of 47861

Prime factors of 47861 are 11, 19, 229. Prime factorization of 47861 in exponential form is:

47861 = 111 × 191 × 2291

Prime Factorization of 47880

Prime factors of 47880 are 2, 3, 5, 7, 19. Prime factorization of 47880 in exponential form is:

47880 = 23 × 32 × 51 × 71 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 47861 and 47880.

LCM(47861,47880) = 111 × 191 × 2291 × 23 × 32 × 51 × 71
LCM(47861,47880) = 120609720