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What is the Least Common Multiple of 79671 and 79680?

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 79671 and 79680 is 2116061760.

LCM(79671,79680) = 2116061760

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Least Common Multiple of 79671 and 79680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79671 and 79680, than apply into the LCM equation.

GCF(79671,79680) = 3
LCM(79671,79680) = ( 79671 × 79680) / 3
LCM(79671,79680) = 6348185280 / 3
LCM(79671,79680) = 2116061760

Least Common Multiple (LCM) of 79671 and 79680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79671 and 79680. First we will calculate the prime factors of 79671 and 79680.

Prime Factorization of 79671

Prime factors of 79671 are 3, 26557. Prime factorization of 79671 in exponential form is:

79671 = 31 × 265571

Prime Factorization of 79680

Prime factors of 79680 are 2, 3, 5, 83. Prime factorization of 79680 in exponential form is:

79680 = 26 × 31 × 51 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 79671 and 79680.

LCM(79671,79680) = 31 × 265571 × 26 × 51 × 831
LCM(79671,79680) = 2116061760