GCF and LCM Calculator Logo

What is the Least Common Multiple of 11445 and 11457?

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 11445 and 11457 is 43708455.

LCM(11445,11457) = 43708455

LCM Calculator and
and

Least Common Multiple of 11445 and 11457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11445 and 11457, than apply into the LCM equation.

GCF(11445,11457) = 3
LCM(11445,11457) = ( 11445 × 11457) / 3
LCM(11445,11457) = 131125365 / 3
LCM(11445,11457) = 43708455

Least Common Multiple (LCM) of 11445 and 11457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11445 and 11457. First we will calculate the prime factors of 11445 and 11457.

Prime Factorization of 11445

Prime factors of 11445 are 3, 5, 7, 109. Prime factorization of 11445 in exponential form is:

11445 = 31 × 51 × 71 × 1091

Prime Factorization of 11457

Prime factors of 11457 are 3, 19, 67. Prime factorization of 11457 in exponential form is:

11457 = 32 × 191 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 11445 and 11457.

LCM(11445,11457) = 32 × 51 × 71 × 1091 × 191 × 671
LCM(11445,11457) = 43708455