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What is the Least Common Multiple of 51986 and 51991?

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 51986 and 51991 is 2702804126.

LCM(51986,51991) = 2702804126

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Least Common Multiple of 51986 and 51991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51986 and 51991, than apply into the LCM equation.

GCF(51986,51991) = 1
LCM(51986,51991) = ( 51986 × 51991) / 1
LCM(51986,51991) = 2702804126 / 1
LCM(51986,51991) = 2702804126

Least Common Multiple (LCM) of 51986 and 51991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51986 and 51991. First we will calculate the prime factors of 51986 and 51991.

Prime Factorization of 51986

Prime factors of 51986 are 2, 11, 17, 139. Prime factorization of 51986 in exponential form is:

51986 = 21 × 111 × 171 × 1391

Prime Factorization of 51991

Prime factors of 51991 are 51991. Prime factorization of 51991 in exponential form is:

51991 = 519911

Now multiplying the highest exponent prime factors to calculate the LCM of 51986 and 51991.

LCM(51986,51991) = 21 × 111 × 171 × 1391 × 519911
LCM(51986,51991) = 2702804126