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What is the Least Common Multiple of 69642 and 69656?

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 69642 and 69656 is 2425491576.

LCM(69642,69656) = 2425491576

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Least Common Multiple of 69642 and 69656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69642 and 69656, than apply into the LCM equation.

GCF(69642,69656) = 2
LCM(69642,69656) = ( 69642 × 69656) / 2
LCM(69642,69656) = 4850983152 / 2
LCM(69642,69656) = 2425491576

Least Common Multiple (LCM) of 69642 and 69656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69642 and 69656. First we will calculate the prime factors of 69642 and 69656.

Prime Factorization of 69642

Prime factors of 69642 are 2, 3, 53, 73. Prime factorization of 69642 in exponential form is:

69642 = 21 × 32 × 531 × 731

Prime Factorization of 69656

Prime factors of 69656 are 2, 8707. Prime factorization of 69656 in exponential form is:

69656 = 23 × 87071

Now multiplying the highest exponent prime factors to calculate the LCM of 69642 and 69656.

LCM(69642,69656) = 23 × 32 × 531 × 731 × 87071
LCM(69642,69656) = 2425491576