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What is the Least Common Multiple of 7548 and 7557?

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 7548 and 7557 is 19013412.

LCM(7548,7557) = 19013412

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Least Common Multiple of 7548 and 7557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7548 and 7557, than apply into the LCM equation.

GCF(7548,7557) = 3
LCM(7548,7557) = ( 7548 × 7557) / 3
LCM(7548,7557) = 57040236 / 3
LCM(7548,7557) = 19013412

Least Common Multiple (LCM) of 7548 and 7557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7548 and 7557. First we will calculate the prime factors of 7548 and 7557.

Prime Factorization of 7548

Prime factors of 7548 are 2, 3, 17, 37. Prime factorization of 7548 in exponential form is:

7548 = 22 × 31 × 171 × 371

Prime Factorization of 7557

Prime factors of 7557 are 3, 11, 229. Prime factorization of 7557 in exponential form is:

7557 = 31 × 111 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 7548 and 7557.

LCM(7548,7557) = 22 × 31 × 171 × 371 × 111 × 2291
LCM(7548,7557) = 19013412