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What is the Least Common Multiple of 69478 and 69487?

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 69478 and 69487 is 4827817786.

LCM(69478,69487) = 4827817786

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Least Common Multiple of 69478 and 69487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69478 and 69487, than apply into the LCM equation.

GCF(69478,69487) = 1
LCM(69478,69487) = ( 69478 × 69487) / 1
LCM(69478,69487) = 4827817786 / 1
LCM(69478,69487) = 4827817786

Least Common Multiple (LCM) of 69478 and 69487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69478 and 69487. First we will calculate the prime factors of 69478 and 69487.

Prime Factorization of 69478

Prime factors of 69478 are 2, 34739. Prime factorization of 69478 in exponential form is:

69478 = 21 × 347391

Prime Factorization of 69487

Prime factors of 69487 are 11, 6317. Prime factorization of 69487 in exponential form is:

69487 = 111 × 63171

Now multiplying the highest exponent prime factors to calculate the LCM of 69478 and 69487.

LCM(69478,69487) = 21 × 347391 × 111 × 63171
LCM(69478,69487) = 4827817786