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What is the Least Common Multiple of 79666 and 79681?

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 79666 and 79681 is 6347866546.

LCM(79666,79681) = 6347866546

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Least Common Multiple of 79666 and 79681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79666 and 79681, than apply into the LCM equation.

GCF(79666,79681) = 1
LCM(79666,79681) = ( 79666 × 79681) / 1
LCM(79666,79681) = 6347866546 / 1
LCM(79666,79681) = 6347866546

Least Common Multiple (LCM) of 79666 and 79681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79666 and 79681. First we will calculate the prime factors of 79666 and 79681.

Prime Factorization of 79666

Prime factors of 79666 are 2, 61, 653. Prime factorization of 79666 in exponential form is:

79666 = 21 × 611 × 6531

Prime Factorization of 79681

Prime factors of 79681 are 7, 11383. Prime factorization of 79681 in exponential form is:

79681 = 71 × 113831

Now multiplying the highest exponent prime factors to calculate the LCM of 79666 and 79681.

LCM(79666,79681) = 21 × 611 × 6531 × 71 × 113831
LCM(79666,79681) = 6347866546