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What is the Least Common Multiple of 55968 and 55976?

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 55968 and 55976 is 391608096.

LCM(55968,55976) = 391608096

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Least Common Multiple of 55968 and 55976 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55968 and 55976, than apply into the LCM equation.

GCF(55968,55976) = 8
LCM(55968,55976) = ( 55968 × 55976) / 8
LCM(55968,55976) = 3132864768 / 8
LCM(55968,55976) = 391608096

Least Common Multiple (LCM) of 55968 and 55976 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55968 and 55976. First we will calculate the prime factors of 55968 and 55976.

Prime Factorization of 55968

Prime factors of 55968 are 2, 3, 11, 53. Prime factorization of 55968 in exponential form is:

55968 = 25 × 31 × 111 × 531

Prime Factorization of 55976

Prime factors of 55976 are 2, 6997. Prime factorization of 55976 in exponential form is:

55976 = 23 × 69971

Now multiplying the highest exponent prime factors to calculate the LCM of 55968 and 55976.

LCM(55968,55976) = 25 × 31 × 111 × 531 × 69971
LCM(55968,55976) = 391608096