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What is the Least Common Multiple of 54990 and 54996?

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 54990 and 54996 is 504038340.

LCM(54990,54996) = 504038340

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Least Common Multiple of 54990 and 54996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54990 and 54996, than apply into the LCM equation.

GCF(54990,54996) = 6
LCM(54990,54996) = ( 54990 × 54996) / 6
LCM(54990,54996) = 3024230040 / 6
LCM(54990,54996) = 504038340

Least Common Multiple (LCM) of 54990 and 54996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54990 and 54996. First we will calculate the prime factors of 54990 and 54996.

Prime Factorization of 54990

Prime factors of 54990 are 2, 3, 5, 13, 47. Prime factorization of 54990 in exponential form is:

54990 = 21 × 32 × 51 × 131 × 471

Prime Factorization of 54996

Prime factors of 54996 are 2, 3, 4583. Prime factorization of 54996 in exponential form is:

54996 = 22 × 31 × 45831

Now multiplying the highest exponent prime factors to calculate the LCM of 54990 and 54996.

LCM(54990,54996) = 22 × 32 × 51 × 131 × 471 × 45831
LCM(54990,54996) = 504038340