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What is the Least Common Multiple of 64779 and 64788?

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 64779 and 64788 is 1398967284.

LCM(64779,64788) = 1398967284

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Least Common Multiple of 64779 and 64788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64779 and 64788, than apply into the LCM equation.

GCF(64779,64788) = 3
LCM(64779,64788) = ( 64779 × 64788) / 3
LCM(64779,64788) = 4196901852 / 3
LCM(64779,64788) = 1398967284

Least Common Multiple (LCM) of 64779 and 64788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64779 and 64788. First we will calculate the prime factors of 64779 and 64788.

Prime Factorization of 64779

Prime factors of 64779 are 3, 11, 13, 151. Prime factorization of 64779 in exponential form is:

64779 = 31 × 111 × 131 × 1511

Prime Factorization of 64788

Prime factors of 64788 are 2, 3, 5399. Prime factorization of 64788 in exponential form is:

64788 = 22 × 31 × 53991

Now multiplying the highest exponent prime factors to calculate the LCM of 64779 and 64788.

LCM(64779,64788) = 31 × 111 × 131 × 1511 × 22 × 53991
LCM(64779,64788) = 1398967284