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What is the Least Common Multiple of 3778 and 3782?

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 3778 and 3782 is 7144198.

LCM(3778,3782) = 7144198

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Least Common Multiple of 3778 and 3782 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3778 and 3782, than apply into the LCM equation.

GCF(3778,3782) = 2
LCM(3778,3782) = ( 3778 × 3782) / 2
LCM(3778,3782) = 14288396 / 2
LCM(3778,3782) = 7144198

Least Common Multiple (LCM) of 3778 and 3782 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3778 and 3782. First we will calculate the prime factors of 3778 and 3782.

Prime Factorization of 3778

Prime factors of 3778 are 2, 1889. Prime factorization of 3778 in exponential form is:

3778 = 21 × 18891

Prime Factorization of 3782

Prime factors of 3782 are 2, 31, 61. Prime factorization of 3782 in exponential form is:

3782 = 21 × 311 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 3778 and 3782.

LCM(3778,3782) = 21 × 18891 × 311 × 611
LCM(3778,3782) = 7144198