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What is the Least Common Multiple of 68172 and 68183?

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 68172 and 68183 is 4648171476.

LCM(68172,68183) = 4648171476

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Least Common Multiple of 68172 and 68183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68172 and 68183, than apply into the LCM equation.

GCF(68172,68183) = 1
LCM(68172,68183) = ( 68172 × 68183) / 1
LCM(68172,68183) = 4648171476 / 1
LCM(68172,68183) = 4648171476

Least Common Multiple (LCM) of 68172 and 68183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68172 and 68183. First we will calculate the prime factors of 68172 and 68183.

Prime Factorization of 68172

Prime factors of 68172 are 2, 3, 13, 19, 23. Prime factorization of 68172 in exponential form is:

68172 = 22 × 31 × 131 × 191 × 231

Prime Factorization of 68183

Prime factors of 68183 are 41, 1663. Prime factorization of 68183 in exponential form is:

68183 = 411 × 16631

Now multiplying the highest exponent prime factors to calculate the LCM of 68172 and 68183.

LCM(68172,68183) = 22 × 31 × 131 × 191 × 231 × 411 × 16631
LCM(68172,68183) = 4648171476