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What is the Least Common Multiple of 68544 and 68553?

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 68544 and 68553 is 522099648.

LCM(68544,68553) = 522099648

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Least Common Multiple of 68544 and 68553 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68544 and 68553, than apply into the LCM equation.

GCF(68544,68553) = 9
LCM(68544,68553) = ( 68544 × 68553) / 9
LCM(68544,68553) = 4698896832 / 9
LCM(68544,68553) = 522099648

Least Common Multiple (LCM) of 68544 and 68553 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68544 and 68553. First we will calculate the prime factors of 68544 and 68553.

Prime Factorization of 68544

Prime factors of 68544 are 2, 3, 7, 17. Prime factorization of 68544 in exponential form is:

68544 = 26 × 32 × 71 × 171

Prime Factorization of 68553

Prime factors of 68553 are 3, 2539. Prime factorization of 68553 in exponential form is:

68553 = 33 × 25391

Now multiplying the highest exponent prime factors to calculate the LCM of 68544 and 68553.

LCM(68544,68553) = 26 × 33 × 71 × 171 × 25391
LCM(68544,68553) = 522099648