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What is the Least Common Multiple of 65668 and 65672?

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 65668 and 65672 is 1078137224.

LCM(65668,65672) = 1078137224

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Least Common Multiple of 65668 and 65672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65668 and 65672, than apply into the LCM equation.

GCF(65668,65672) = 4
LCM(65668,65672) = ( 65668 × 65672) / 4
LCM(65668,65672) = 4312548896 / 4
LCM(65668,65672) = 1078137224

Least Common Multiple (LCM) of 65668 and 65672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65668 and 65672. First we will calculate the prime factors of 65668 and 65672.

Prime Factorization of 65668

Prime factors of 65668 are 2, 16417. Prime factorization of 65668 in exponential form is:

65668 = 22 × 164171

Prime Factorization of 65672

Prime factors of 65672 are 2, 8209. Prime factorization of 65672 in exponential form is:

65672 = 23 × 82091

Now multiplying the highest exponent prime factors to calculate the LCM of 65668 and 65672.

LCM(65668,65672) = 23 × 164171 × 82091
LCM(65668,65672) = 1078137224