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What is the Least Common Multiple of 78549 and 78568?

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 78549 and 78568 is 6171437832.

LCM(78549,78568) = 6171437832

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Least Common Multiple of 78549 and 78568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78549 and 78568, than apply into the LCM equation.

GCF(78549,78568) = 1
LCM(78549,78568) = ( 78549 × 78568) / 1
LCM(78549,78568) = 6171437832 / 1
LCM(78549,78568) = 6171437832

Least Common Multiple (LCM) of 78549 and 78568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78549 and 78568. First we will calculate the prime factors of 78549 and 78568.

Prime Factorization of 78549

Prime factors of 78549 are 3, 26183. Prime factorization of 78549 in exponential form is:

78549 = 31 × 261831

Prime Factorization of 78568

Prime factors of 78568 are 2, 7, 23, 61. Prime factorization of 78568 in exponential form is:

78568 = 23 × 71 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 78549 and 78568.

LCM(78549,78568) = 31 × 261831 × 23 × 71 × 231 × 611
LCM(78549,78568) = 6171437832