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What is the Least Common Multiple of 78551 and 78566?

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 78551 and 78566 is 6171437866.

LCM(78551,78566) = 6171437866

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Least Common Multiple of 78551 and 78566 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78551 and 78566, than apply into the LCM equation.

GCF(78551,78566) = 1
LCM(78551,78566) = ( 78551 × 78566) / 1
LCM(78551,78566) = 6171437866 / 1
LCM(78551,78566) = 6171437866

Least Common Multiple (LCM) of 78551 and 78566 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78551 and 78566. First we will calculate the prime factors of 78551 and 78566.

Prime Factorization of 78551

Prime factors of 78551 are 11, 37, 193. Prime factorization of 78551 in exponential form is:

78551 = 111 × 371 × 1931

Prime Factorization of 78566

Prime factors of 78566 are 2, 163, 241. Prime factorization of 78566 in exponential form is:

78566 = 21 × 1631 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 78551 and 78566.

LCM(78551,78566) = 111 × 371 × 1931 × 21 × 1631 × 2411
LCM(78551,78566) = 6171437866