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What is the Least Common Multiple of 659 and 668?

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 659 and 668 is 440212.

LCM(659,668) = 440212

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Least Common Multiple of 659 and 668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 659 and 668, than apply into the LCM equation.

GCF(659,668) = 1
LCM(659,668) = ( 659 × 668) / 1
LCM(659,668) = 440212 / 1
LCM(659,668) = 440212

Least Common Multiple (LCM) of 659 and 668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 659 and 668. First we will calculate the prime factors of 659 and 668.

Prime Factorization of 659

Prime factors of 659 are 659. Prime factorization of 659 in exponential form is:

659 = 6591

Prime Factorization of 668

Prime factors of 668 are 2, 167. Prime factorization of 668 in exponential form is:

668 = 22 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 659 and 668.

LCM(659,668) = 6591 × 22 × 1671
LCM(659,668) = 440212