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What is the Least Common Multiple of 11951 and 11969?

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 11951 and 11969 is 143041519.

LCM(11951,11969) = 143041519

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Least Common Multiple of 11951 and 11969 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11951 and 11969, than apply into the LCM equation.

GCF(11951,11969) = 1
LCM(11951,11969) = ( 11951 × 11969) / 1
LCM(11951,11969) = 143041519 / 1
LCM(11951,11969) = 143041519

Least Common Multiple (LCM) of 11951 and 11969 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11951 and 11969. First we will calculate the prime factors of 11951 and 11969.

Prime Factorization of 11951

Prime factors of 11951 are 17, 19, 37. Prime factorization of 11951 in exponential form is:

11951 = 171 × 191 × 371

Prime Factorization of 11969

Prime factors of 11969 are 11969. Prime factorization of 11969 in exponential form is:

11969 = 119691

Now multiplying the highest exponent prime factors to calculate the LCM of 11951 and 11969.

LCM(11951,11969) = 171 × 191 × 371 × 119691
LCM(11951,11969) = 143041519