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What is the Least Common Multiple of 11835 and 11840?

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 11835 and 11840 is 28025280.

LCM(11835,11840) = 28025280

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Least Common Multiple of 11835 and 11840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11835 and 11840, than apply into the LCM equation.

GCF(11835,11840) = 5
LCM(11835,11840) = ( 11835 × 11840) / 5
LCM(11835,11840) = 140126400 / 5
LCM(11835,11840) = 28025280

Least Common Multiple (LCM) of 11835 and 11840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11835 and 11840. First we will calculate the prime factors of 11835 and 11840.

Prime Factorization of 11835

Prime factors of 11835 are 3, 5, 263. Prime factorization of 11835 in exponential form is:

11835 = 32 × 51 × 2631

Prime Factorization of 11840

Prime factors of 11840 are 2, 5, 37. Prime factorization of 11840 in exponential form is:

11840 = 26 × 51 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 11835 and 11840.

LCM(11835,11840) = 32 × 51 × 2631 × 26 × 371
LCM(11835,11840) = 28025280