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What is the Least Common Multiple of 11773 and 11781?

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 11773 and 11781 is 138697713.

LCM(11773,11781) = 138697713

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Least Common Multiple of 11773 and 11781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11773 and 11781, than apply into the LCM equation.

GCF(11773,11781) = 1
LCM(11773,11781) = ( 11773 × 11781) / 1
LCM(11773,11781) = 138697713 / 1
LCM(11773,11781) = 138697713

Least Common Multiple (LCM) of 11773 and 11781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11773 and 11781. First we will calculate the prime factors of 11773 and 11781.

Prime Factorization of 11773

Prime factors of 11773 are 61, 193. Prime factorization of 11773 in exponential form is:

11773 = 611 × 1931

Prime Factorization of 11781

Prime factors of 11781 are 3, 7, 11, 17. Prime factorization of 11781 in exponential form is:

11781 = 32 × 71 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 11773 and 11781.

LCM(11773,11781) = 611 × 1931 × 32 × 71 × 111 × 171
LCM(11773,11781) = 138697713