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What is the Least Common Multiple of 54500 and 54520?

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 54500 and 54520 is 148567000.

LCM(54500,54520) = 148567000

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Least Common Multiple of 54500 and 54520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54500 and 54520, than apply into the LCM equation.

GCF(54500,54520) = 20
LCM(54500,54520) = ( 54500 × 54520) / 20
LCM(54500,54520) = 2971340000 / 20
LCM(54500,54520) = 148567000

Least Common Multiple (LCM) of 54500 and 54520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54500 and 54520. First we will calculate the prime factors of 54500 and 54520.

Prime Factorization of 54500

Prime factors of 54500 are 2, 5, 109. Prime factorization of 54500 in exponential form is:

54500 = 22 × 53 × 1091

Prime Factorization of 54520

Prime factors of 54520 are 2, 5, 29, 47. Prime factorization of 54520 in exponential form is:

54520 = 23 × 51 × 291 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 54500 and 54520.

LCM(54500,54520) = 23 × 53 × 1091 × 291 × 471
LCM(54500,54520) = 148567000