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What is the Least Common Multiple of 22231 and 22251?

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 22231 and 22251 is 494661981.

LCM(22231,22251) = 494661981

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Least Common Multiple of 22231 and 22251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22231 and 22251, than apply into the LCM equation.

GCF(22231,22251) = 1
LCM(22231,22251) = ( 22231 × 22251) / 1
LCM(22231,22251) = 494661981 / 1
LCM(22231,22251) = 494661981

Least Common Multiple (LCM) of 22231 and 22251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22231 and 22251. First we will calculate the prime factors of 22231 and 22251.

Prime Factorization of 22231

Prime factors of 22231 are 11, 43, 47. Prime factorization of 22231 in exponential form is:

22231 = 111 × 431 × 471

Prime Factorization of 22251

Prime factors of 22251 are 3, 7417. Prime factorization of 22251 in exponential form is:

22251 = 31 × 74171

Now multiplying the highest exponent prime factors to calculate the LCM of 22231 and 22251.

LCM(22231,22251) = 111 × 431 × 471 × 31 × 74171
LCM(22231,22251) = 494661981