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What is the Least Common Multiple of 55974 and 55982?

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 55974 and 55982 is 1566768234.

LCM(55974,55982) = 1566768234

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Least Common Multiple of 55974 and 55982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55974 and 55982, than apply into the LCM equation.

GCF(55974,55982) = 2
LCM(55974,55982) = ( 55974 × 55982) / 2
LCM(55974,55982) = 3133536468 / 2
LCM(55974,55982) = 1566768234

Least Common Multiple (LCM) of 55974 and 55982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55974 and 55982. First we will calculate the prime factors of 55974 and 55982.

Prime Factorization of 55974

Prime factors of 55974 are 2, 3, 19, 491. Prime factorization of 55974 in exponential form is:

55974 = 21 × 31 × 191 × 4911

Prime Factorization of 55982

Prime factors of 55982 are 2, 23, 1217. Prime factorization of 55982 in exponential form is:

55982 = 21 × 231 × 12171

Now multiplying the highest exponent prime factors to calculate the LCM of 55974 and 55982.

LCM(55974,55982) = 21 × 31 × 191 × 4911 × 231 × 12171
LCM(55974,55982) = 1566768234