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What is the Least Common Multiple of 12245 and 12261?

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 12245 and 12261 is 150135945.

LCM(12245,12261) = 150135945

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Least Common Multiple of 12245 and 12261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12245 and 12261, than apply into the LCM equation.

GCF(12245,12261) = 1
LCM(12245,12261) = ( 12245 × 12261) / 1
LCM(12245,12261) = 150135945 / 1
LCM(12245,12261) = 150135945

Least Common Multiple (LCM) of 12245 and 12261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12245 and 12261. First we will calculate the prime factors of 12245 and 12261.

Prime Factorization of 12245

Prime factors of 12245 are 5, 31, 79. Prime factorization of 12245 in exponential form is:

12245 = 51 × 311 × 791

Prime Factorization of 12261

Prime factors of 12261 are 3, 61, 67. Prime factorization of 12261 in exponential form is:

12261 = 31 × 611 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 12245 and 12261.

LCM(12245,12261) = 51 × 311 × 791 × 31 × 611 × 671
LCM(12245,12261) = 150135945