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What is the Least Common Multiple of 27960 and 27977?

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 27960 and 27977 is 782236920.

LCM(27960,27977) = 782236920

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Least Common Multiple of 27960 and 27977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27960 and 27977, than apply into the LCM equation.

GCF(27960,27977) = 1
LCM(27960,27977) = ( 27960 × 27977) / 1
LCM(27960,27977) = 782236920 / 1
LCM(27960,27977) = 782236920

Least Common Multiple (LCM) of 27960 and 27977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27960 and 27977. First we will calculate the prime factors of 27960 and 27977.

Prime Factorization of 27960

Prime factors of 27960 are 2, 3, 5, 233. Prime factorization of 27960 in exponential form is:

27960 = 23 × 31 × 51 × 2331

Prime Factorization of 27977

Prime factors of 27977 are 101, 277. Prime factorization of 27977 in exponential form is:

27977 = 1011 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 27960 and 27977.

LCM(27960,27977) = 23 × 31 × 51 × 2331 × 1011 × 2771
LCM(27960,27977) = 782236920