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What is the Least Common Multiple of 79405 and 79424?

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 79405 and 79424 is 6306662720.

LCM(79405,79424) = 6306662720

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Least Common Multiple of 79405 and 79424 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79405 and 79424, than apply into the LCM equation.

GCF(79405,79424) = 1
LCM(79405,79424) = ( 79405 × 79424) / 1
LCM(79405,79424) = 6306662720 / 1
LCM(79405,79424) = 6306662720

Least Common Multiple (LCM) of 79405 and 79424 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79405 and 79424. First we will calculate the prime factors of 79405 and 79424.

Prime Factorization of 79405

Prime factors of 79405 are 5, 15881. Prime factorization of 79405 in exponential form is:

79405 = 51 × 158811

Prime Factorization of 79424

Prime factors of 79424 are 2, 17, 73. Prime factorization of 79424 in exponential form is:

79424 = 26 × 171 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 79405 and 79424.

LCM(79405,79424) = 51 × 158811 × 26 × 171 × 731
LCM(79405,79424) = 6306662720