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What is the Least Common Multiple of 10540 and 10554?

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 10540 and 10554 is 55619580.

LCM(10540,10554) = 55619580

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Least Common Multiple of 10540 and 10554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10540 and 10554, than apply into the LCM equation.

GCF(10540,10554) = 2
LCM(10540,10554) = ( 10540 × 10554) / 2
LCM(10540,10554) = 111239160 / 2
LCM(10540,10554) = 55619580

Least Common Multiple (LCM) of 10540 and 10554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10540 and 10554. First we will calculate the prime factors of 10540 and 10554.

Prime Factorization of 10540

Prime factors of 10540 are 2, 5, 17, 31. Prime factorization of 10540 in exponential form is:

10540 = 22 × 51 × 171 × 311

Prime Factorization of 10554

Prime factors of 10554 are 2, 3, 1759. Prime factorization of 10554 in exponential form is:

10554 = 21 × 31 × 17591

Now multiplying the highest exponent prime factors to calculate the LCM of 10540 and 10554.

LCM(10540,10554) = 22 × 51 × 171 × 311 × 31 × 17591
LCM(10540,10554) = 55619580