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What is the Least Common Multiple of 3654 and 3671?

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 3654 and 3671 is 13413834.

LCM(3654,3671) = 13413834

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Least Common Multiple of 3654 and 3671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3654 and 3671, than apply into the LCM equation.

GCF(3654,3671) = 1
LCM(3654,3671) = ( 3654 × 3671) / 1
LCM(3654,3671) = 13413834 / 1
LCM(3654,3671) = 13413834

Least Common Multiple (LCM) of 3654 and 3671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3654 and 3671. First we will calculate the prime factors of 3654 and 3671.

Prime Factorization of 3654

Prime factors of 3654 are 2, 3, 7, 29. Prime factorization of 3654 in exponential form is:

3654 = 21 × 32 × 71 × 291

Prime Factorization of 3671

Prime factors of 3671 are 3671. Prime factorization of 3671 in exponential form is:

3671 = 36711

Now multiplying the highest exponent prime factors to calculate the LCM of 3654 and 3671.

LCM(3654,3671) = 21 × 32 × 71 × 291 × 36711
LCM(3654,3671) = 13413834