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What is the Least Common Multiple of 54992 and 54999?

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 54992 and 54999 is 432072144.

LCM(54992,54999) = 432072144

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Least Common Multiple of 54992 and 54999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54992 and 54999, than apply into the LCM equation.

GCF(54992,54999) = 7
LCM(54992,54999) = ( 54992 × 54999) / 7
LCM(54992,54999) = 3024505008 / 7
LCM(54992,54999) = 432072144

Least Common Multiple (LCM) of 54992 and 54999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54992 and 54999. First we will calculate the prime factors of 54992 and 54999.

Prime Factorization of 54992

Prime factors of 54992 are 2, 7, 491. Prime factorization of 54992 in exponential form is:

54992 = 24 × 71 × 4911

Prime Factorization of 54999

Prime factors of 54999 are 3, 7, 97. Prime factorization of 54999 in exponential form is:

54999 = 34 × 71 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 54992 and 54999.

LCM(54992,54999) = 24 × 71 × 4911 × 34 × 971
LCM(54992,54999) = 432072144