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What is the Least Common Multiple of 68538 and 68547?

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 68538 and 68547 is 1566024762.

LCM(68538,68547) = 1566024762

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Least Common Multiple of 68538 and 68547 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68538 and 68547, than apply into the LCM equation.

GCF(68538,68547) = 3
LCM(68538,68547) = ( 68538 × 68547) / 3
LCM(68538,68547) = 4698074286 / 3
LCM(68538,68547) = 1566024762

Least Common Multiple (LCM) of 68538 and 68547 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68538 and 68547. First we will calculate the prime factors of 68538 and 68547.

Prime Factorization of 68538

Prime factors of 68538 are 2, 3, 11423. Prime factorization of 68538 in exponential form is:

68538 = 21 × 31 × 114231

Prime Factorization of 68547

Prime factors of 68547 are 3, 73, 313. Prime factorization of 68547 in exponential form is:

68547 = 31 × 731 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 68538 and 68547.

LCM(68538,68547) = 21 × 31 × 114231 × 731 × 3131
LCM(68538,68547) = 1566024762