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What is the Least Common Multiple of 67798 and 67813?

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 67798 and 67813 is 4597585774.

LCM(67798,67813) = 4597585774

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Least Common Multiple of 67798 and 67813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67798 and 67813, than apply into the LCM equation.

GCF(67798,67813) = 1
LCM(67798,67813) = ( 67798 × 67813) / 1
LCM(67798,67813) = 4597585774 / 1
LCM(67798,67813) = 4597585774

Least Common Multiple (LCM) of 67798 and 67813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67798 and 67813. First we will calculate the prime factors of 67798 and 67813.

Prime Factorization of 67798

Prime factors of 67798 are 2, 109, 311. Prime factorization of 67798 in exponential form is:

67798 = 21 × 1091 × 3111

Prime Factorization of 67813

Prime factors of 67813 are 17, 3989. Prime factorization of 67813 in exponential form is:

67813 = 171 × 39891

Now multiplying the highest exponent prime factors to calculate the LCM of 67798 and 67813.

LCM(67798,67813) = 21 × 1091 × 3111 × 171 × 39891
LCM(67798,67813) = 4597585774