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What is the Least Common Multiple of 27969 and 27989?

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 27969 and 27989 is 782824341.

LCM(27969,27989) = 782824341

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Least Common Multiple of 27969 and 27989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27969 and 27989, than apply into the LCM equation.

GCF(27969,27989) = 1
LCM(27969,27989) = ( 27969 × 27989) / 1
LCM(27969,27989) = 782824341 / 1
LCM(27969,27989) = 782824341

Least Common Multiple (LCM) of 27969 and 27989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27969 and 27989. First we will calculate the prime factors of 27969 and 27989.

Prime Factorization of 27969

Prime factors of 27969 are 3, 9323. Prime factorization of 27969 in exponential form is:

27969 = 31 × 93231

Prime Factorization of 27989

Prime factors of 27989 are 13, 2153. Prime factorization of 27989 in exponential form is:

27989 = 131 × 21531

Now multiplying the highest exponent prime factors to calculate the LCM of 27969 and 27989.

LCM(27969,27989) = 31 × 93231 × 131 × 21531
LCM(27969,27989) = 782824341