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What is the Least Common Multiple of 3784 and 3788?

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 3784 and 3788 is 3583448.

LCM(3784,3788) = 3583448

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Least Common Multiple of 3784 and 3788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3784 and 3788, than apply into the LCM equation.

GCF(3784,3788) = 4
LCM(3784,3788) = ( 3784 × 3788) / 4
LCM(3784,3788) = 14333792 / 4
LCM(3784,3788) = 3583448

Least Common Multiple (LCM) of 3784 and 3788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3784 and 3788. First we will calculate the prime factors of 3784 and 3788.

Prime Factorization of 3784

Prime factors of 3784 are 2, 11, 43. Prime factorization of 3784 in exponential form is:

3784 = 23 × 111 × 431

Prime Factorization of 3788

Prime factors of 3788 are 2, 947. Prime factorization of 3788 in exponential form is:

3788 = 22 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 3784 and 3788.

LCM(3784,3788) = 23 × 111 × 431 × 9471
LCM(3784,3788) = 3583448