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What is the Least Common Multiple of 274 and 284?

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 274 and 284 is 38908.

LCM(274,284) = 38908

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Least Common Multiple of 274 and 284 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 274 and 284, than apply into the LCM equation.

GCF(274,284) = 2
LCM(274,284) = ( 274 × 284) / 2
LCM(274,284) = 77816 / 2
LCM(274,284) = 38908

Least Common Multiple (LCM) of 274 and 284 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 274 and 284. First we will calculate the prime factors of 274 and 284.

Prime Factorization of 274

Prime factors of 274 are 2, 137. Prime factorization of 274 in exponential form is:

274 = 21 × 1371

Prime Factorization of 284

Prime factors of 284 are 2, 71. Prime factorization of 284 in exponential form is:

284 = 22 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 274 and 284.

LCM(274,284) = 22 × 1371 × 711
LCM(274,284) = 38908