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What is the Least Common Multiple of 78083 and 78090?

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 78083 and 78090 is 6097501470.

LCM(78083,78090) = 6097501470

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Least Common Multiple of 78083 and 78090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78083 and 78090, than apply into the LCM equation.

GCF(78083,78090) = 1
LCM(78083,78090) = ( 78083 × 78090) / 1
LCM(78083,78090) = 6097501470 / 1
LCM(78083,78090) = 6097501470

Least Common Multiple (LCM) of 78083 and 78090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78083 and 78090. First we will calculate the prime factors of 78083 and 78090.

Prime Factorization of 78083

Prime factors of 78083 are 113, 691. Prime factorization of 78083 in exponential form is:

78083 = 1131 × 6911

Prime Factorization of 78090

Prime factors of 78090 are 2, 3, 5, 19, 137. Prime factorization of 78090 in exponential form is:

78090 = 21 × 31 × 51 × 191 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 78083 and 78090.

LCM(78083,78090) = 1131 × 6911 × 21 × 31 × 51 × 191 × 1371
LCM(78083,78090) = 6097501470