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What is the Least Common Multiple of 11960 and 11977?

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 11960 and 11977 is 143244920.

LCM(11960,11977) = 143244920

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Least Common Multiple of 11960 and 11977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11960 and 11977, than apply into the LCM equation.

GCF(11960,11977) = 1
LCM(11960,11977) = ( 11960 × 11977) / 1
LCM(11960,11977) = 143244920 / 1
LCM(11960,11977) = 143244920

Least Common Multiple (LCM) of 11960 and 11977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11960 and 11977. First we will calculate the prime factors of 11960 and 11977.

Prime Factorization of 11960

Prime factors of 11960 are 2, 5, 13, 23. Prime factorization of 11960 in exponential form is:

11960 = 23 × 51 × 131 × 231

Prime Factorization of 11977

Prime factors of 11977 are 7, 29, 59. Prime factorization of 11977 in exponential form is:

11977 = 71 × 291 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 11960 and 11977.

LCM(11960,11977) = 23 × 51 × 131 × 231 × 71 × 291 × 591
LCM(11960,11977) = 143244920