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What is the Least Common Multiple of 54870 and 54884?

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 54870 and 54884 is 1505742540.

LCM(54870,54884) = 1505742540

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Least Common Multiple of 54870 and 54884 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54870 and 54884, than apply into the LCM equation.

GCF(54870,54884) = 2
LCM(54870,54884) = ( 54870 × 54884) / 2
LCM(54870,54884) = 3011485080 / 2
LCM(54870,54884) = 1505742540

Least Common Multiple (LCM) of 54870 and 54884 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54870 and 54884. First we will calculate the prime factors of 54870 and 54884.

Prime Factorization of 54870

Prime factors of 54870 are 2, 3, 5, 31, 59. Prime factorization of 54870 in exponential form is:

54870 = 21 × 31 × 51 × 311 × 591

Prime Factorization of 54884

Prime factors of 54884 are 2, 13721. Prime factorization of 54884 in exponential form is:

54884 = 22 × 137211

Now multiplying the highest exponent prime factors to calculate the LCM of 54870 and 54884.

LCM(54870,54884) = 22 × 31 × 51 × 311 × 591 × 137211
LCM(54870,54884) = 1505742540