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What is the Least Common Multiple of 43617 and 43626?

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 43617 and 43626 is 634278414.

LCM(43617,43626) = 634278414

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Least Common Multiple of 43617 and 43626 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43617 and 43626, than apply into the LCM equation.

GCF(43617,43626) = 3
LCM(43617,43626) = ( 43617 × 43626) / 3
LCM(43617,43626) = 1902835242 / 3
LCM(43617,43626) = 634278414

Least Common Multiple (LCM) of 43617 and 43626 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43617 and 43626. First we will calculate the prime factors of 43617 and 43626.

Prime Factorization of 43617

Prime factors of 43617 are 3, 7, 31, 67. Prime factorization of 43617 in exponential form is:

43617 = 31 × 71 × 311 × 671

Prime Factorization of 43626

Prime factors of 43626 are 2, 3, 11, 661. Prime factorization of 43626 in exponential form is:

43626 = 21 × 31 × 111 × 6611

Now multiplying the highest exponent prime factors to calculate the LCM of 43617 and 43626.

LCM(43617,43626) = 31 × 71 × 311 × 671 × 21 × 111 × 6611
LCM(43617,43626) = 634278414