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What is the Least Common Multiple of 80668 and 80678?

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 80668 and 80678 is 3254066452.

LCM(80668,80678) = 3254066452

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Least Common Multiple of 80668 and 80678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80668 and 80678, than apply into the LCM equation.

GCF(80668,80678) = 2
LCM(80668,80678) = ( 80668 × 80678) / 2
LCM(80668,80678) = 6508132904 / 2
LCM(80668,80678) = 3254066452

Least Common Multiple (LCM) of 80668 and 80678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80668 and 80678. First we will calculate the prime factors of 80668 and 80678.

Prime Factorization of 80668

Prime factors of 80668 are 2, 7, 43, 67. Prime factorization of 80668 in exponential form is:

80668 = 22 × 71 × 431 × 671

Prime Factorization of 80678

Prime factors of 80678 are 2, 13, 29, 107. Prime factorization of 80678 in exponential form is:

80678 = 21 × 131 × 291 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 80668 and 80678.

LCM(80668,80678) = 22 × 71 × 431 × 671 × 131 × 291 × 1071
LCM(80668,80678) = 3254066452