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What is the Least Common Multiple of 67764 and 67779?

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 67764 and 67779 is 1530992052.

LCM(67764,67779) = 1530992052

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Least Common Multiple of 67764 and 67779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67764 and 67779, than apply into the LCM equation.

GCF(67764,67779) = 3
LCM(67764,67779) = ( 67764 × 67779) / 3
LCM(67764,67779) = 4592976156 / 3
LCM(67764,67779) = 1530992052

Least Common Multiple (LCM) of 67764 and 67779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67764 and 67779. First we will calculate the prime factors of 67764 and 67779.

Prime Factorization of 67764

Prime factors of 67764 are 2, 3, 5647. Prime factorization of 67764 in exponential form is:

67764 = 22 × 31 × 56471

Prime Factorization of 67779

Prime factors of 67779 are 3, 17, 443. Prime factorization of 67779 in exponential form is:

67779 = 32 × 171 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 67764 and 67779.

LCM(67764,67779) = 22 × 32 × 56471 × 171 × 4431
LCM(67764,67779) = 1530992052