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What is the Least Common Multiple of 277 and 290?

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 277 and 290 is 80330.

LCM(277,290) = 80330

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Least Common Multiple of 277 and 290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 277 and 290, than apply into the LCM equation.

GCF(277,290) = 1
LCM(277,290) = ( 277 × 290) / 1
LCM(277,290) = 80330 / 1
LCM(277,290) = 80330

Least Common Multiple (LCM) of 277 and 290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 277 and 290. First we will calculate the prime factors of 277 and 290.

Prime Factorization of 277

Prime factors of 277 are 277. Prime factorization of 277 in exponential form is:

277 = 2771

Prime Factorization of 290

Prime factors of 290 are 2, 5, 29. Prime factorization of 290 in exponential form is:

290 = 21 × 51 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 277 and 290.

LCM(277,290) = 2771 × 21 × 51 × 291
LCM(277,290) = 80330