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What is the Least Common Multiple of 27821 and 27834?

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 27821 and 27834 is 774369714.

LCM(27821,27834) = 774369714

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Least Common Multiple of 27821 and 27834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27821 and 27834, than apply into the LCM equation.

GCF(27821,27834) = 1
LCM(27821,27834) = ( 27821 × 27834) / 1
LCM(27821,27834) = 774369714 / 1
LCM(27821,27834) = 774369714

Least Common Multiple (LCM) of 27821 and 27834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27821 and 27834. First we will calculate the prime factors of 27821 and 27834.

Prime Factorization of 27821

Prime factors of 27821 are 43, 647. Prime factorization of 27821 in exponential form is:

27821 = 431 × 6471

Prime Factorization of 27834

Prime factors of 27834 are 2, 3, 4639. Prime factorization of 27834 in exponential form is:

27834 = 21 × 31 × 46391

Now multiplying the highest exponent prime factors to calculate the LCM of 27821 and 27834.

LCM(27821,27834) = 431 × 6471 × 21 × 31 × 46391
LCM(27821,27834) = 774369714