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What is the Least Common Multiple of 79643 and 79661?

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 79643 and 79661 is 6344441023.

LCM(79643,79661) = 6344441023

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Least Common Multiple of 79643 and 79661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79643 and 79661, than apply into the LCM equation.

GCF(79643,79661) = 1
LCM(79643,79661) = ( 79643 × 79661) / 1
LCM(79643,79661) = 6344441023 / 1
LCM(79643,79661) = 6344441023

Least Common Multiple (LCM) of 79643 and 79661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79643 and 79661. First we will calculate the prime factors of 79643 and 79661.

Prime Factorization of 79643

Prime factors of 79643 are 73, 1091. Prime factorization of 79643 in exponential form is:

79643 = 731 × 10911

Prime Factorization of 79661

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

79661 = 371 × 21531

Now multiplying the highest exponent prime factors to calculate the LCM of 79643 and 79661.

LCM(79643,79661) = 731 × 10911 × 371 × 21531
LCM(79643,79661) = 6344441023