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What is the Least Common Multiple of 78551 and 78555?

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 78555 is 6170573805.

LCM(78551,78555) = 6170573805

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Least Common Multiple of 78551 and 78555 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 78555, than apply into the LCM equation.

GCF(78551,78555) = 1
LCM(78551,78555) = ( 78551 × 78555) / 1
LCM(78551,78555) = 6170573805 / 1
LCM(78551,78555) = 6170573805

Least Common Multiple (LCM) of 78551 and 78555 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78551 and 78555. First we will calculate the prime factors of 78551 and 78555.

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 78555

Prime factors of 78555 are 3, 5, 5237. Prime factorization of 78555 in exponential form is:

78555 = 31 × 51 × 52371

Now multiplying the highest exponent prime factors to calculate the LCM of 78551 and 78555.

LCM(78551,78555) = 111 × 371 × 1931 × 31 × 51 × 52371
LCM(78551,78555) = 6170573805