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What is the Least Common Multiple of 68198 and 68218?

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 68198 and 68218 is 2326165582.

LCM(68198,68218) = 2326165582

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Least Common Multiple of 68198 and 68218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68198 and 68218, than apply into the LCM equation.

GCF(68198,68218) = 2
LCM(68198,68218) = ( 68198 × 68218) / 2
LCM(68198,68218) = 4652331164 / 2
LCM(68198,68218) = 2326165582

Least Common Multiple (LCM) of 68198 and 68218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68198 and 68218. First we will calculate the prime factors of 68198 and 68218.

Prime Factorization of 68198

Prime factors of 68198 are 2, 13, 43, 61. Prime factorization of 68198 in exponential form is:

68198 = 21 × 131 × 431 × 611

Prime Factorization of 68218

Prime factors of 68218 are 2, 23, 1483. Prime factorization of 68218 in exponential form is:

68218 = 21 × 231 × 14831

Now multiplying the highest exponent prime factors to calculate the LCM of 68198 and 68218.

LCM(68198,68218) = 21 × 131 × 431 × 611 × 231 × 14831
LCM(68198,68218) = 2326165582