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What is the Least Common Multiple of 79716 and 79731?

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 79716 and 79731 is 2118612132.

LCM(79716,79731) = 2118612132

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Least Common Multiple of 79716 and 79731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79716 and 79731, than apply into the LCM equation.

GCF(79716,79731) = 3
LCM(79716,79731) = ( 79716 × 79731) / 3
LCM(79716,79731) = 6355836396 / 3
LCM(79716,79731) = 2118612132

Least Common Multiple (LCM) of 79716 and 79731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79716 and 79731. First we will calculate the prime factors of 79716 and 79731.

Prime Factorization of 79716

Prime factors of 79716 are 2, 3, 7, 13, 73. Prime factorization of 79716 in exponential form is:

79716 = 22 × 31 × 71 × 131 × 731

Prime Factorization of 79731

Prime factors of 79731 are 3, 2953. Prime factorization of 79731 in exponential form is:

79731 = 33 × 29531

Now multiplying the highest exponent prime factors to calculate the LCM of 79716 and 79731.

LCM(79716,79731) = 22 × 33 × 71 × 131 × 731 × 29531
LCM(79716,79731) = 2118612132