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What is the Least Common Multiple of 84543 and 84560?

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 84543 and 84560 is 7148956080.

LCM(84543,84560) = 7148956080

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Least Common Multiple of 84543 and 84560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84543 and 84560, than apply into the LCM equation.

GCF(84543,84560) = 1
LCM(84543,84560) = ( 84543 × 84560) / 1
LCM(84543,84560) = 7148956080 / 1
LCM(84543,84560) = 7148956080

Least Common Multiple (LCM) of 84543 and 84560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84543 and 84560. First we will calculate the prime factors of 84543 and 84560.

Prime Factorization of 84543

Prime factors of 84543 are 3, 28181. Prime factorization of 84543 in exponential form is:

84543 = 31 × 281811

Prime Factorization of 84560

Prime factors of 84560 are 2, 5, 7, 151. Prime factorization of 84560 in exponential form is:

84560 = 24 × 51 × 71 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 84543 and 84560.

LCM(84543,84560) = 31 × 281811 × 24 × 51 × 71 × 1511
LCM(84543,84560) = 7148956080