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What is the Least Common Multiple of 84491 and 84509?

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 84491 and 84509 is 7140249919.

LCM(84491,84509) = 7140249919

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Least Common Multiple of 84491 and 84509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84491 and 84509, than apply into the LCM equation.

GCF(84491,84509) = 1
LCM(84491,84509) = ( 84491 × 84509) / 1
LCM(84491,84509) = 7140249919 / 1
LCM(84491,84509) = 7140249919

Least Common Multiple (LCM) of 84491 and 84509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84491 and 84509. First we will calculate the prime factors of 84491 and 84509.

Prime Factorization of 84491

Prime factors of 84491 are 11, 7681. Prime factorization of 84491 in exponential form is:

84491 = 111 × 76811

Prime Factorization of 84509

Prime factors of 84509 are 84509. Prime factorization of 84509 in exponential form is:

84509 = 845091

Now multiplying the highest exponent prime factors to calculate the LCM of 84491 and 84509.

LCM(84491,84509) = 111 × 76811 × 845091
LCM(84491,84509) = 7140249919