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What is the Least Common Multiple of 40568 and 40588?

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 40568 and 40588 is 411643496.

LCM(40568,40588) = 411643496

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Least Common Multiple of 40568 and 40588 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40568 and 40588, than apply into the LCM equation.

GCF(40568,40588) = 4
LCM(40568,40588) = ( 40568 × 40588) / 4
LCM(40568,40588) = 1646573984 / 4
LCM(40568,40588) = 411643496

Least Common Multiple (LCM) of 40568 and 40588 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40568 and 40588. First we will calculate the prime factors of 40568 and 40588.

Prime Factorization of 40568

Prime factors of 40568 are 2, 11, 461. Prime factorization of 40568 in exponential form is:

40568 = 23 × 111 × 4611

Prime Factorization of 40588

Prime factors of 40588 are 2, 73, 139. Prime factorization of 40588 in exponential form is:

40588 = 22 × 731 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 40568 and 40588.

LCM(40568,40588) = 23 × 111 × 4611 × 731 × 1391
LCM(40568,40588) = 411643496