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What is the Least Common Multiple of 80542 and 80557?

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 80542 and 80557 is 6488221894.

LCM(80542,80557) = 6488221894

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Least Common Multiple of 80542 and 80557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80542 and 80557, than apply into the LCM equation.

GCF(80542,80557) = 1
LCM(80542,80557) = ( 80542 × 80557) / 1
LCM(80542,80557) = 6488221894 / 1
LCM(80542,80557) = 6488221894

Least Common Multiple (LCM) of 80542 and 80557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80542 and 80557. First we will calculate the prime factors of 80542 and 80557.

Prime Factorization of 80542

Prime factors of 80542 are 2, 7, 11, 523. Prime factorization of 80542 in exponential form is:

80542 = 21 × 71 × 111 × 5231

Prime Factorization of 80557

Prime factors of 80557 are 80557. Prime factorization of 80557 in exponential form is:

80557 = 805571

Now multiplying the highest exponent prime factors to calculate the LCM of 80542 and 80557.

LCM(80542,80557) = 21 × 71 × 111 × 5231 × 805571
LCM(80542,80557) = 6488221894