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What is the Least Common Multiple of 3551 and 3556?

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 3551 and 3556 is 12627356.

LCM(3551,3556) = 12627356

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Least Common Multiple of 3551 and 3556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3551 and 3556, than apply into the LCM equation.

GCF(3551,3556) = 1
LCM(3551,3556) = ( 3551 × 3556) / 1
LCM(3551,3556) = 12627356 / 1
LCM(3551,3556) = 12627356

Least Common Multiple (LCM) of 3551 and 3556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3551 and 3556. First we will calculate the prime factors of 3551 and 3556.

Prime Factorization of 3551

Prime factors of 3551 are 53, 67. Prime factorization of 3551 in exponential form is:

3551 = 531 × 671

Prime Factorization of 3556

Prime factors of 3556 are 2, 7, 127. Prime factorization of 3556 in exponential form is:

3556 = 22 × 71 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 3551 and 3556.

LCM(3551,3556) = 531 × 671 × 22 × 71 × 1271
LCM(3551,3556) = 12627356