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What is the Least Common Multiple of 7695 and 7705?

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 7695 and 7705 is 11857995.

LCM(7695,7705) = 11857995

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Least Common Multiple of 7695 and 7705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7695 and 7705, than apply into the LCM equation.

GCF(7695,7705) = 5
LCM(7695,7705) = ( 7695 × 7705) / 5
LCM(7695,7705) = 59289975 / 5
LCM(7695,7705) = 11857995

Least Common Multiple (LCM) of 7695 and 7705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7695 and 7705. First we will calculate the prime factors of 7695 and 7705.

Prime Factorization of 7695

Prime factors of 7695 are 3, 5, 19. Prime factorization of 7695 in exponential form is:

7695 = 34 × 51 × 191

Prime Factorization of 7705

Prime factors of 7705 are 5, 23, 67. Prime factorization of 7705 in exponential form is:

7705 = 51 × 231 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 7695 and 7705.

LCM(7695,7705) = 34 × 51 × 191 × 231 × 671
LCM(7695,7705) = 11857995