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What is the Least Common Multiple of 70563 and 70580?

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 70563 and 70580 is 4980336540.

LCM(70563,70580) = 4980336540

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Least Common Multiple of 70563 and 70580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70563 and 70580, than apply into the LCM equation.

GCF(70563,70580) = 1
LCM(70563,70580) = ( 70563 × 70580) / 1
LCM(70563,70580) = 4980336540 / 1
LCM(70563,70580) = 4980336540

Least Common Multiple (LCM) of 70563 and 70580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70563 and 70580. First we will calculate the prime factors of 70563 and 70580.

Prime Factorization of 70563

Prime factors of 70563 are 3, 43, 547. Prime factorization of 70563 in exponential form is:

70563 = 31 × 431 × 5471

Prime Factorization of 70580

Prime factors of 70580 are 2, 5, 3529. Prime factorization of 70580 in exponential form is:

70580 = 22 × 51 × 35291

Now multiplying the highest exponent prime factors to calculate the LCM of 70563 and 70580.

LCM(70563,70580) = 31 × 431 × 5471 × 22 × 51 × 35291
LCM(70563,70580) = 4980336540