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What is the Least Common Multiple of 68752 and 68770?

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 68752 and 68770 is 2364037520.

LCM(68752,68770) = 2364037520

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Least Common Multiple of 68752 and 68770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68752 and 68770, than apply into the LCM equation.

GCF(68752,68770) = 2
LCM(68752,68770) = ( 68752 × 68770) / 2
LCM(68752,68770) = 4728075040 / 2
LCM(68752,68770) = 2364037520

Least Common Multiple (LCM) of 68752 and 68770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68752 and 68770. First we will calculate the prime factors of 68752 and 68770.

Prime Factorization of 68752

Prime factors of 68752 are 2, 4297. Prime factorization of 68752 in exponential form is:

68752 = 24 × 42971

Prime Factorization of 68770

Prime factors of 68770 are 2, 5, 13, 23. Prime factorization of 68770 in exponential form is:

68770 = 21 × 51 × 131 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 68752 and 68770.

LCM(68752,68770) = 24 × 42971 × 51 × 131 × 232
LCM(68752,68770) = 2364037520