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What is the Least Common Multiple of 12155 and 12169?

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 12155 and 12169 is 147914195.

LCM(12155,12169) = 147914195

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Least Common Multiple of 12155 and 12169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12155 and 12169, than apply into the LCM equation.

GCF(12155,12169) = 1
LCM(12155,12169) = ( 12155 × 12169) / 1
LCM(12155,12169) = 147914195 / 1
LCM(12155,12169) = 147914195

Least Common Multiple (LCM) of 12155 and 12169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12155 and 12169. First we will calculate the prime factors of 12155 and 12169.

Prime Factorization of 12155

Prime factors of 12155 are 5, 11, 13, 17. Prime factorization of 12155 in exponential form is:

12155 = 51 × 111 × 131 × 171

Prime Factorization of 12169

Prime factors of 12169 are 43, 283. Prime factorization of 12169 in exponential form is:

12169 = 431 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 12155 and 12169.

LCM(12155,12169) = 51 × 111 × 131 × 171 × 431 × 2831
LCM(12155,12169) = 147914195