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What is the Least Common Multiple of 27774 and 27778?

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 27774 and 27778 is 385753086.

LCM(27774,27778) = 385753086

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Least Common Multiple of 27774 and 27778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27774 and 27778, than apply into the LCM equation.

GCF(27774,27778) = 2
LCM(27774,27778) = ( 27774 × 27778) / 2
LCM(27774,27778) = 771506172 / 2
LCM(27774,27778) = 385753086

Least Common Multiple (LCM) of 27774 and 27778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27774 and 27778. First we will calculate the prime factors of 27774 and 27778.

Prime Factorization of 27774

Prime factors of 27774 are 2, 3, 1543. Prime factorization of 27774 in exponential form is:

27774 = 21 × 32 × 15431

Prime Factorization of 27778

Prime factors of 27778 are 2, 17, 19, 43. Prime factorization of 27778 in exponential form is:

27778 = 21 × 171 × 191 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 27774 and 27778.

LCM(27774,27778) = 21 × 32 × 15431 × 171 × 191 × 431
LCM(27774,27778) = 385753086