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What is the Least Common Multiple of 69142 and 69154?

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 69142 and 69154 is 2390722934.

LCM(69142,69154) = 2390722934

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Least Common Multiple of 69142 and 69154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69142 and 69154, than apply into the LCM equation.

GCF(69142,69154) = 2
LCM(69142,69154) = ( 69142 × 69154) / 2
LCM(69142,69154) = 4781445868 / 2
LCM(69142,69154) = 2390722934

Least Common Multiple (LCM) of 69142 and 69154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69142 and 69154. First we will calculate the prime factors of 69142 and 69154.

Prime Factorization of 69142

Prime factors of 69142 are 2, 181, 191. Prime factorization of 69142 in exponential form is:

69142 = 21 × 1811 × 1911

Prime Factorization of 69154

Prime factors of 69154 are 2, 71, 487. Prime factorization of 69154 in exponential form is:

69154 = 21 × 711 × 4871

Now multiplying the highest exponent prime factors to calculate the LCM of 69142 and 69154.

LCM(69142,69154) = 21 × 1811 × 1911 × 711 × 4871
LCM(69142,69154) = 2390722934