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Least Common Multiple of 81 and 95

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 81 and 95 is 7695.

LCM(81,95) = 7695

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Least Common Multiple of 81 and 95 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81 and 95, than apply into the LCM equation.

GCF(81,95) = 1
LCM(81,95) = ( 81 × 95) / 1
LCM(81,95) = 7695 / 1
LCM(81,95) = 7695

Least Common Multiple (LCM) of 81 and 95 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81 and 95. First we will calculate the prime factors of 81 and 95.

Prime Factorization of 81

Prime factors of 81 are 3. Prime factorization of 81 in exponential form is:

81 = 34

Prime Factorization of 95

Prime factors of 95 are 5, 19. Prime factorization of 95 in exponential form is:

95 = 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 81 and 95.

LCM(81,95) = 34 × 51 × 191
LCM(81,95) = 7695

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