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What is the Least Common Multiple of 27945 and 27961?

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 27945 and 27961 is 781370145.

LCM(27945,27961) = 781370145

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Least Common Multiple of 27945 and 27961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27945 and 27961, than apply into the LCM equation.

GCF(27945,27961) = 1
LCM(27945,27961) = ( 27945 × 27961) / 1
LCM(27945,27961) = 781370145 / 1
LCM(27945,27961) = 781370145

Least Common Multiple (LCM) of 27945 and 27961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27945 and 27961. First we will calculate the prime factors of 27945 and 27961.

Prime Factorization of 27945

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

27945 = 35 × 51 × 231

Prime Factorization of 27961

Prime factors of 27961 are 27961. Prime factorization of 27961 in exponential form is:

27961 = 279611

Now multiplying the highest exponent prime factors to calculate the LCM of 27945 and 27961.

LCM(27945,27961) = 35 × 51 × 231 × 279611
LCM(27945,27961) = 781370145