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What is the Least Common Multiple of 11720 and 11737?

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 11720 and 11737 is 137557640.

LCM(11720,11737) = 137557640

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Least Common Multiple of 11720 and 11737 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11720 and 11737, than apply into the LCM equation.

GCF(11720,11737) = 1
LCM(11720,11737) = ( 11720 × 11737) / 1
LCM(11720,11737) = 137557640 / 1
LCM(11720,11737) = 137557640

Least Common Multiple (LCM) of 11720 and 11737 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11720 and 11737. First we will calculate the prime factors of 11720 and 11737.

Prime Factorization of 11720

Prime factors of 11720 are 2, 5, 293. Prime factorization of 11720 in exponential form is:

11720 = 23 × 51 × 2931

Prime Factorization of 11737

Prime factors of 11737 are 11, 97. Prime factorization of 11737 in exponential form is:

11737 = 112 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 11720 and 11737.

LCM(11720,11737) = 23 × 51 × 2931 × 112 × 971
LCM(11720,11737) = 137557640