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What is the Least Common Multiple of 27939 and 27945?

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 27939 and 27945 is 260251785.

LCM(27939,27945) = 260251785

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Least Common Multiple of 27939 and 27945 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27939 and 27945, than apply into the LCM equation.

GCF(27939,27945) = 3
LCM(27939,27945) = ( 27939 × 27945) / 3
LCM(27939,27945) = 780755355 / 3
LCM(27939,27945) = 260251785

Least Common Multiple (LCM) of 27939 and 27945 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27939 and 27945. First we will calculate the prime factors of 27939 and 27945.

Prime Factorization of 27939

Prime factors of 27939 are 3, 67, 139. Prime factorization of 27939 in exponential form is:

27939 = 31 × 671 × 1391

Prime Factorization of 27945

Prime factors of 27945 are 3, 5, 23. Prime factorization of 27945 in exponential form is:

27945 = 35 × 51 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 27939 and 27945.

LCM(27939,27945) = 35 × 671 × 1391 × 51 × 231
LCM(27939,27945) = 260251785