GCF and LCM Calculator Logo

What is the Least Common Multiple of 91803 and 91809?

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 91803 and 91809 is 2809447209.

LCM(91803,91809) = 2809447209

LCM Calculator and
and

Least Common Multiple of 91803 and 91809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91803 and 91809, than apply into the LCM equation.

GCF(91803,91809) = 3
LCM(91803,91809) = ( 91803 × 91809) / 3
LCM(91803,91809) = 8428341627 / 3
LCM(91803,91809) = 2809447209

Least Common Multiple (LCM) of 91803 and 91809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91803 and 91809. First we will calculate the prime factors of 91803 and 91809.

Prime Factorization of 91803

Prime factors of 91803 are 3, 71, 431. Prime factorization of 91803 in exponential form is:

91803 = 31 × 711 × 4311

Prime Factorization of 91809

Prime factors of 91809 are 3, 101. Prime factorization of 91809 in exponential form is:

91809 = 32 × 1012

Now multiplying the highest exponent prime factors to calculate the LCM of 91803 and 91809.

LCM(91803,91809) = 32 × 711 × 4311 × 1012
LCM(91803,91809) = 2809447209