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What is the Least Common Multiple of 68169 and 68180?

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 68169 and 68180 is 4647762420.

LCM(68169,68180) = 4647762420

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Least Common Multiple of 68169 and 68180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68169 and 68180, than apply into the LCM equation.

GCF(68169,68180) = 1
LCM(68169,68180) = ( 68169 × 68180) / 1
LCM(68169,68180) = 4647762420 / 1
LCM(68169,68180) = 4647762420

Least Common Multiple (LCM) of 68169 and 68180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68169 and 68180. First we will calculate the prime factors of 68169 and 68180.

Prime Factorization of 68169

Prime factors of 68169 are 3, 31, 733. Prime factorization of 68169 in exponential form is:

68169 = 31 × 311 × 7331

Prime Factorization of 68180

Prime factors of 68180 are 2, 5, 7, 487. Prime factorization of 68180 in exponential form is:

68180 = 22 × 51 × 71 × 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 68169 and 68180.

LCM(68169,68180) = 31 × 311 × 7331 × 22 × 51 × 71 × 4871
LCM(68169,68180) = 4647762420