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What is the Least Common Multiple of 23780 and 23792?

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 23780 and 23792 is 141443440.

LCM(23780,23792) = 141443440

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Least Common Multiple of 23780 and 23792 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23780 and 23792, than apply into the LCM equation.

GCF(23780,23792) = 4
LCM(23780,23792) = ( 23780 × 23792) / 4
LCM(23780,23792) = 565773760 / 4
LCM(23780,23792) = 141443440

Least Common Multiple (LCM) of 23780 and 23792 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23780 and 23792. First we will calculate the prime factors of 23780 and 23792.

Prime Factorization of 23780

Prime factors of 23780 are 2, 5, 29, 41. Prime factorization of 23780 in exponential form is:

23780 = 22 × 51 × 291 × 411

Prime Factorization of 23792

Prime factors of 23792 are 2, 1487. Prime factorization of 23792 in exponential form is:

23792 = 24 × 14871

Now multiplying the highest exponent prime factors to calculate the LCM of 23780 and 23792.

LCM(23780,23792) = 24 × 51 × 291 × 411 × 14871
LCM(23780,23792) = 141443440