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What is the Least Common Multiple of 68401 and 68419?

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 68401 and 68419 is 4679928019.

LCM(68401,68419) = 4679928019

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Least Common Multiple of 68401 and 68419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68401 and 68419, than apply into the LCM equation.

GCF(68401,68419) = 1
LCM(68401,68419) = ( 68401 × 68419) / 1
LCM(68401,68419) = 4679928019 / 1
LCM(68401,68419) = 4679928019

Least Common Multiple (LCM) of 68401 and 68419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68401 and 68419. First we will calculate the prime factors of 68401 and 68419.

Prime Factorization of 68401

Prime factors of 68401 are 73, 937. Prime factorization of 68401 in exponential form is:

68401 = 731 × 9371

Prime Factorization of 68419

Prime factors of 68419 are 13, 19, 277. Prime factorization of 68419 in exponential form is:

68419 = 131 × 191 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 68401 and 68419.

LCM(68401,68419) = 731 × 9371 × 131 × 191 × 2771
LCM(68401,68419) = 4679928019