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What is the Least Common Multiple of 4427 and 4431?

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 4427 and 4431 is 19616037.

LCM(4427,4431) = 19616037

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Least Common Multiple of 4427 and 4431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4427 and 4431, than apply into the LCM equation.

GCF(4427,4431) = 1
LCM(4427,4431) = ( 4427 × 4431) / 1
LCM(4427,4431) = 19616037 / 1
LCM(4427,4431) = 19616037

Least Common Multiple (LCM) of 4427 and 4431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4427 and 4431. First we will calculate the prime factors of 4427 and 4431.

Prime Factorization of 4427

Prime factors of 4427 are 19, 233. Prime factorization of 4427 in exponential form is:

4427 = 191 × 2331

Prime Factorization of 4431

Prime factors of 4431 are 3, 7, 211. Prime factorization of 4431 in exponential form is:

4431 = 31 × 71 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 4427 and 4431.

LCM(4427,4431) = 191 × 2331 × 31 × 71 × 2111
LCM(4427,4431) = 19616037