GCF and LCM Calculator Logo

What is the Least Common Multiple of 47430 and 47446?

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 47430 and 47446 is 1125181890.

LCM(47430,47446) = 1125181890

LCM Calculator and
and

Least Common Multiple of 47430 and 47446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47430 and 47446, than apply into the LCM equation.

GCF(47430,47446) = 2
LCM(47430,47446) = ( 47430 × 47446) / 2
LCM(47430,47446) = 2250363780 / 2
LCM(47430,47446) = 1125181890

Least Common Multiple (LCM) of 47430 and 47446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47430 and 47446. First we will calculate the prime factors of 47430 and 47446.

Prime Factorization of 47430

Prime factors of 47430 are 2, 3, 5, 17, 31. Prime factorization of 47430 in exponential form is:

47430 = 21 × 32 × 51 × 171 × 311

Prime Factorization of 47446

Prime factors of 47446 are 2, 7, 3389. Prime factorization of 47446 in exponential form is:

47446 = 21 × 71 × 33891

Now multiplying the highest exponent prime factors to calculate the LCM of 47430 and 47446.

LCM(47430,47446) = 21 × 32 × 51 × 171 × 311 × 71 × 33891
LCM(47430,47446) = 1125181890