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What is the Least Common Multiple of 68545 and 68557?

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 68545 and 68557 is 4699239565.

LCM(68545,68557) = 4699239565

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Least Common Multiple of 68545 and 68557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68545 and 68557, than apply into the LCM equation.

GCF(68545,68557) = 1
LCM(68545,68557) = ( 68545 × 68557) / 1
LCM(68545,68557) = 4699239565 / 1
LCM(68545,68557) = 4699239565

Least Common Multiple (LCM) of 68545 and 68557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68545 and 68557. First we will calculate the prime factors of 68545 and 68557.

Prime Factorization of 68545

Prime factors of 68545 are 5, 13709. Prime factorization of 68545 in exponential form is:

68545 = 51 × 137091

Prime Factorization of 68557

Prime factors of 68557 are 179, 383. Prime factorization of 68557 in exponential form is:

68557 = 1791 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 68545 and 68557.

LCM(68545,68557) = 51 × 137091 × 1791 × 3831
LCM(68545,68557) = 4699239565