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What is the Least Common Multiple of 251 and 262?

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 262 is 65762.

LCM(251,262) = 65762

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Least Common Multiple of 251 and 262 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 262, than apply into the LCM equation.

GCF(251,262) = 1
LCM(251,262) = ( 251 × 262) / 1
LCM(251,262) = 65762 / 1
LCM(251,262) = 65762

Least Common Multiple (LCM) of 251 and 262 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 251 and 262. First we will calculate the prime factors of 251 and 262.

Prime Factorization of 251

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

251 = 2511

Prime Factorization of 262

Prime factors of 262 are 2, 131. Prime factorization of 262 in exponential form is:

262 = 21 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 251 and 262.

LCM(251,262) = 2511 × 21 × 1311
LCM(251,262) = 65762