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What is the Least Common Multiple of 11862 and 11878?

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 11862 and 11878 is 70448418.

LCM(11862,11878) = 70448418

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Least Common Multiple of 11862 and 11878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11862 and 11878, than apply into the LCM equation.

GCF(11862,11878) = 2
LCM(11862,11878) = ( 11862 × 11878) / 2
LCM(11862,11878) = 140896836 / 2
LCM(11862,11878) = 70448418

Least Common Multiple (LCM) of 11862 and 11878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11862 and 11878. First we will calculate the prime factors of 11862 and 11878.

Prime Factorization of 11862

Prime factors of 11862 are 2, 3, 659. Prime factorization of 11862 in exponential form is:

11862 = 21 × 32 × 6591

Prime Factorization of 11878

Prime factors of 11878 are 2, 5939. Prime factorization of 11878 in exponential form is:

11878 = 21 × 59391

Now multiplying the highest exponent prime factors to calculate the LCM of 11862 and 11878.

LCM(11862,11878) = 21 × 32 × 6591 × 59391
LCM(11862,11878) = 70448418