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What is the Least Common Multiple of 80419 and 80431?

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 80419 and 80431 is 6468180589.

LCM(80419,80431) = 6468180589

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Least Common Multiple of 80419 and 80431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80419 and 80431, than apply into the LCM equation.

GCF(80419,80431) = 1
LCM(80419,80431) = ( 80419 × 80431) / 1
LCM(80419,80431) = 6468180589 / 1
LCM(80419,80431) = 6468180589

Least Common Multiple (LCM) of 80419 and 80431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80419 and 80431. First we will calculate the prime factors of 80419 and 80431.

Prime Factorization of 80419

Prime factors of 80419 are 137, 587. Prime factorization of 80419 in exponential form is:

80419 = 1371 × 5871

Prime Factorization of 80431

Prime factors of 80431 are 13, 23, 269. Prime factorization of 80431 in exponential form is:

80431 = 131 × 231 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 80419 and 80431.

LCM(80419,80431) = 1371 × 5871 × 131 × 231 × 2691
LCM(80419,80431) = 6468180589