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What is the Least Common Multiple of 69174 and 69181?

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 69174 and 69181 is 683646642.

LCM(69174,69181) = 683646642

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Least Common Multiple of 69174 and 69181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69174 and 69181, than apply into the LCM equation.

GCF(69174,69181) = 7
LCM(69174,69181) = ( 69174 × 69181) / 7
LCM(69174,69181) = 4785526494 / 7
LCM(69174,69181) = 683646642

Least Common Multiple (LCM) of 69174 and 69181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69174 and 69181. First we will calculate the prime factors of 69174 and 69181.

Prime Factorization of 69174

Prime factors of 69174 are 2, 3, 7, 61. Prime factorization of 69174 in exponential form is:

69174 = 21 × 34 × 71 × 611

Prime Factorization of 69181

Prime factors of 69181 are 7, 9883. Prime factorization of 69181 in exponential form is:

69181 = 71 × 98831

Now multiplying the highest exponent prime factors to calculate the LCM of 69174 and 69181.

LCM(69174,69181) = 21 × 34 × 71 × 611 × 98831
LCM(69174,69181) = 683646642