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What is the Least Common Multiple of 3862 and 3874?

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 3862 and 3874 is 7480694.

LCM(3862,3874) = 7480694

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Least Common Multiple of 3862 and 3874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3862 and 3874, than apply into the LCM equation.

GCF(3862,3874) = 2
LCM(3862,3874) = ( 3862 × 3874) / 2
LCM(3862,3874) = 14961388 / 2
LCM(3862,3874) = 7480694

Least Common Multiple (LCM) of 3862 and 3874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3862 and 3874. First we will calculate the prime factors of 3862 and 3874.

Prime Factorization of 3862

Prime factors of 3862 are 2, 1931. Prime factorization of 3862 in exponential form is:

3862 = 21 × 19311

Prime Factorization of 3874

Prime factors of 3874 are 2, 13, 149. Prime factorization of 3874 in exponential form is:

3874 = 21 × 131 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 3862 and 3874.

LCM(3862,3874) = 21 × 19311 × 131 × 1491
LCM(3862,3874) = 7480694