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What is the Least Common Multiple of 79661 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 79661 and 79681 is 6347468141.

LCM(79661,79681) = 6347468141

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Least Common Multiple of 79661 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 79661 and 79681, than apply into the LCM equation.

GCF(79661,79681) = 1
LCM(79661,79681) = ( 79661 × 79681) / 1
LCM(79661,79681) = 6347468141 / 1
LCM(79661,79681) = 6347468141

Least Common Multiple (LCM) of 79661 and 79681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79661 and 79681. First we will calculate the prime factors of 79661 and 79681.

Prime Factorization of 79661

Prime factors of 79661 are 37, 2153. Prime factorization of 79661 in exponential form is:

79661 = 371 × 21531

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 79661 and 79681.

LCM(79661,79681) = 371 × 21531 × 71 × 113831
LCM(79661,79681) = 6347468141