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What is the Least Common Multiple of 253 and 266?

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 253 and 266 is 67298.

LCM(253,266) = 67298

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Least Common Multiple of 253 and 266 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 253 and 266, than apply into the LCM equation.

GCF(253,266) = 1
LCM(253,266) = ( 253 × 266) / 1
LCM(253,266) = 67298 / 1
LCM(253,266) = 67298

Least Common Multiple (LCM) of 253 and 266 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 253 and 266. First we will calculate the prime factors of 253 and 266.

Prime Factorization of 253

Prime factors of 253 are 11, 23. Prime factorization of 253 in exponential form is:

253 = 111 × 231

Prime Factorization of 266

Prime factors of 266 are 2, 7, 19. Prime factorization of 266 in exponential form is:

266 = 21 × 71 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 253 and 266.

LCM(253,266) = 111 × 231 × 21 × 71 × 191
LCM(253,266) = 67298