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What is the Least Common Multiple of 77409 and 77423?

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 77409 and 77423 is 5993237007.

LCM(77409,77423) = 5993237007

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Least Common Multiple of 77409 and 77423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77409 and 77423, than apply into the LCM equation.

GCF(77409,77423) = 1
LCM(77409,77423) = ( 77409 × 77423) / 1
LCM(77409,77423) = 5993237007 / 1
LCM(77409,77423) = 5993237007

Least Common Multiple (LCM) of 77409 and 77423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77409 and 77423. First we will calculate the prime factors of 77409 and 77423.

Prime Factorization of 77409

Prime factors of 77409 are 3, 47, 61. Prime factorization of 77409 in exponential form is:

77409 = 33 × 471 × 611

Prime Factorization of 77423

Prime factors of 77423 are 139, 557. Prime factorization of 77423 in exponential form is:

77423 = 1391 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 77409 and 77423.

LCM(77409,77423) = 33 × 471 × 611 × 1391 × 5571
LCM(77409,77423) = 5993237007