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What is the Least Common Multiple of 12954 and 12971?

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 12954 and 12971 is 9883902.

LCM(12954,12971) = 9883902

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Least Common Multiple of 12954 and 12971 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12954 and 12971, than apply into the LCM equation.

GCF(12954,12971) = 17
LCM(12954,12971) = ( 12954 × 12971) / 17
LCM(12954,12971) = 168026334 / 17
LCM(12954,12971) = 9883902

Least Common Multiple (LCM) of 12954 and 12971 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12954 and 12971. First we will calculate the prime factors of 12954 and 12971.

Prime Factorization of 12954

Prime factors of 12954 are 2, 3, 17, 127. Prime factorization of 12954 in exponential form is:

12954 = 21 × 31 × 171 × 1271

Prime Factorization of 12971

Prime factors of 12971 are 7, 17, 109. Prime factorization of 12971 in exponential form is:

12971 = 71 × 171 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 12954 and 12971.

LCM(12954,12971) = 21 × 31 × 171 × 1271 × 71 × 1091
LCM(12954,12971) = 9883902