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What is the Least Common Multiple of 1277 and 1297?

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 1277 and 1297 is 1656269.

LCM(1277,1297) = 1656269

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Least Common Multiple of 1277 and 1297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1277 and 1297, than apply into the LCM equation.

GCF(1277,1297) = 1
LCM(1277,1297) = ( 1277 × 1297) / 1
LCM(1277,1297) = 1656269 / 1
LCM(1277,1297) = 1656269

Least Common Multiple (LCM) of 1277 and 1297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1277 and 1297. First we will calculate the prime factors of 1277 and 1297.

Prime Factorization of 1277

Prime factors of 1277 are 1277. Prime factorization of 1277 in exponential form is:

1277 = 12771

Prime Factorization of 1297

Prime factors of 1297 are 1297. Prime factorization of 1297 in exponential form is:

1297 = 12971

Now multiplying the highest exponent prime factors to calculate the LCM of 1277 and 1297.

LCM(1277,1297) = 12771 × 12971
LCM(1277,1297) = 1656269