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What is the Least Common Multiple of 45543 and 45560?

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 45543 and 45560 is 122055240.

LCM(45543,45560) = 122055240

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Least Common Multiple of 45543 and 45560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45543 and 45560, than apply into the LCM equation.

GCF(45543,45560) = 17
LCM(45543,45560) = ( 45543 × 45560) / 17
LCM(45543,45560) = 2074939080 / 17
LCM(45543,45560) = 122055240

Least Common Multiple (LCM) of 45543 and 45560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45543 and 45560. First we will calculate the prime factors of 45543 and 45560.

Prime Factorization of 45543

Prime factors of 45543 are 3, 17, 19, 47. Prime factorization of 45543 in exponential form is:

45543 = 31 × 171 × 191 × 471

Prime Factorization of 45560

Prime factors of 45560 are 2, 5, 17, 67. Prime factorization of 45560 in exponential form is:

45560 = 23 × 51 × 171 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 45543 and 45560.

LCM(45543,45560) = 31 × 171 × 191 × 471 × 23 × 51 × 671
LCM(45543,45560) = 122055240