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What is the Least Common Multiple of 56686 and 56698?

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 56686 and 56698 is 1606991414.

LCM(56686,56698) = 1606991414

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Least Common Multiple of 56686 and 56698 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56686 and 56698, than apply into the LCM equation.

GCF(56686,56698) = 2
LCM(56686,56698) = ( 56686 × 56698) / 2
LCM(56686,56698) = 3213982828 / 2
LCM(56686,56698) = 1606991414

Least Common Multiple (LCM) of 56686 and 56698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56686 and 56698. First we will calculate the prime factors of 56686 and 56698.

Prime Factorization of 56686

Prime factors of 56686 are 2, 7, 4049. Prime factorization of 56686 in exponential form is:

56686 = 21 × 71 × 40491

Prime Factorization of 56698

Prime factors of 56698 are 2, 28349. Prime factorization of 56698 in exponential form is:

56698 = 21 × 283491

Now multiplying the highest exponent prime factors to calculate the LCM of 56686 and 56698.

LCM(56686,56698) = 21 × 71 × 40491 × 283491
LCM(56686,56698) = 1606991414