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What is the Least Common Multiple of 68185 and 68189?

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 68185 and 68189 is 4649466965.

LCM(68185,68189) = 4649466965

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Least Common Multiple of 68185 and 68189 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68185 and 68189, than apply into the LCM equation.

GCF(68185,68189) = 1
LCM(68185,68189) = ( 68185 × 68189) / 1
LCM(68185,68189) = 4649466965 / 1
LCM(68185,68189) = 4649466965

Least Common Multiple (LCM) of 68185 and 68189 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68185 and 68189. First we will calculate the prime factors of 68185 and 68189.

Prime Factorization of 68185

Prime factors of 68185 are 5, 13, 1049. Prime factorization of 68185 in exponential form is:

68185 = 51 × 131 × 10491

Prime Factorization of 68189

Prime factors of 68189 are 11, 6199. Prime factorization of 68189 in exponential form is:

68189 = 111 × 61991

Now multiplying the highest exponent prime factors to calculate the LCM of 68185 and 68189.

LCM(68185,68189) = 51 × 131 × 10491 × 111 × 61991
LCM(68185,68189) = 4649466965