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What is the Least Common Multiple of 68688 and 68698?

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 68688 and 68698 is 2359364112.

LCM(68688,68698) = 2359364112

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Least Common Multiple of 68688 and 68698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68688 and 68698, than apply into the LCM equation.

GCF(68688,68698) = 2
LCM(68688,68698) = ( 68688 × 68698) / 2
LCM(68688,68698) = 4718728224 / 2
LCM(68688,68698) = 2359364112

Least Common Multiple (LCM) of 68688 and 68698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68688 and 68698. First we will calculate the prime factors of 68688 and 68698.

Prime Factorization of 68688

Prime factors of 68688 are 2, 3, 53. Prime factorization of 68688 in exponential form is:

68688 = 24 × 34 × 531

Prime Factorization of 68698

Prime factors of 68698 are 2, 7, 701. Prime factorization of 68698 in exponential form is:

68698 = 21 × 72 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 68688 and 68698.

LCM(68688,68698) = 24 × 34 × 531 × 72 × 7011
LCM(68688,68698) = 2359364112