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What is the Least Common Multiple of 251 and 269?

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 251 and 269 is 67519.

LCM(251,269) = 67519

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Least Common Multiple of 251 and 269 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 251 and 269, than apply into the LCM equation.

GCF(251,269) = 1
LCM(251,269) = ( 251 × 269) / 1
LCM(251,269) = 67519 / 1
LCM(251,269) = 67519

Least Common Multiple (LCM) of 251 and 269 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 251 and 269. First we will calculate the prime factors of 251 and 269.

Prime Factorization of 251

Prime factors of 251 are 251. Prime factorization of 251 in exponential form is:

251 = 2511

Prime Factorization of 269

Prime factors of 269 are 269. Prime factorization of 269 in exponential form is:

269 = 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 251 and 269.

LCM(251,269) = 2511 × 2691
LCM(251,269) = 67519