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What is the Least Common Multiple of 54531 and 54538?

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 54531 and 54538 is 2974011678.

LCM(54531,54538) = 2974011678

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Least Common Multiple of 54531 and 54538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54531 and 54538, than apply into the LCM equation.

GCF(54531,54538) = 1
LCM(54531,54538) = ( 54531 × 54538) / 1
LCM(54531,54538) = 2974011678 / 1
LCM(54531,54538) = 2974011678

Least Common Multiple (LCM) of 54531 and 54538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54531 and 54538. First we will calculate the prime factors of 54531 and 54538.

Prime Factorization of 54531

Prime factors of 54531 are 3, 73, 83. Prime factorization of 54531 in exponential form is:

54531 = 32 × 731 × 831

Prime Factorization of 54538

Prime factors of 54538 are 2, 11, 37, 67. Prime factorization of 54538 in exponential form is:

54538 = 21 × 111 × 371 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 54531 and 54538.

LCM(54531,54538) = 32 × 731 × 831 × 21 × 111 × 371 × 671
LCM(54531,54538) = 2974011678