GCF and LCM Calculator Logo

What is the Least Common Multiple of 43780 and 43797?

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 43780 and 43797 is 1917432660.

LCM(43780,43797) = 1917432660

LCM Calculator and
and

Least Common Multiple of 43780 and 43797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43780 and 43797, than apply into the LCM equation.

GCF(43780,43797) = 1
LCM(43780,43797) = ( 43780 × 43797) / 1
LCM(43780,43797) = 1917432660 / 1
LCM(43780,43797) = 1917432660

Least Common Multiple (LCM) of 43780 and 43797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43780 and 43797. First we will calculate the prime factors of 43780 and 43797.

Prime Factorization of 43780

Prime factors of 43780 are 2, 5, 11, 199. Prime factorization of 43780 in exponential form is:

43780 = 22 × 51 × 111 × 1991

Prime Factorization of 43797

Prime factors of 43797 are 3, 13, 1123. Prime factorization of 43797 in exponential form is:

43797 = 31 × 131 × 11231

Now multiplying the highest exponent prime factors to calculate the LCM of 43780 and 43797.

LCM(43780,43797) = 22 × 51 × 111 × 1991 × 31 × 131 × 11231
LCM(43780,43797) = 1917432660