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What is the Least Common Multiple of 78539 and 78550?

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 78539 and 78550 is 6169238450.

LCM(78539,78550) = 6169238450

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Least Common Multiple of 78539 and 78550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78539 and 78550, than apply into the LCM equation.

GCF(78539,78550) = 1
LCM(78539,78550) = ( 78539 × 78550) / 1
LCM(78539,78550) = 6169238450 / 1
LCM(78539,78550) = 6169238450

Least Common Multiple (LCM) of 78539 and 78550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78539 and 78550. First we will calculate the prime factors of 78539 and 78550.

Prime Factorization of 78539

Prime factors of 78539 are 78539. Prime factorization of 78539 in exponential form is:

78539 = 785391

Prime Factorization of 78550

Prime factors of 78550 are 2, 5, 1571. Prime factorization of 78550 in exponential form is:

78550 = 21 × 52 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 78539 and 78550.

LCM(78539,78550) = 785391 × 21 × 52 × 15711
LCM(78539,78550) = 6169238450