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What is the Least Common Multiple of 27931 and 27950?

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 27931 and 27950 is 780671450.

LCM(27931,27950) = 780671450

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Least Common Multiple of 27931 and 27950 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27931 and 27950, than apply into the LCM equation.

GCF(27931,27950) = 1
LCM(27931,27950) = ( 27931 × 27950) / 1
LCM(27931,27950) = 780671450 / 1
LCM(27931,27950) = 780671450

Least Common Multiple (LCM) of 27931 and 27950 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27931 and 27950. First we will calculate the prime factors of 27931 and 27950.

Prime Factorization of 27931

Prime factors of 27931 are 17, 31, 53. Prime factorization of 27931 in exponential form is:

27931 = 171 × 311 × 531

Prime Factorization of 27950

Prime factors of 27950 are 2, 5, 13, 43. Prime factorization of 27950 in exponential form is:

27950 = 21 × 52 × 131 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 27931 and 27950.

LCM(27931,27950) = 171 × 311 × 531 × 21 × 52 × 131 × 431
LCM(27931,27950) = 780671450