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What is the Least Common Multiple of 3995 and 4011?

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 3995 and 4011 is 16023945.

LCM(3995,4011) = 16023945

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Least Common Multiple of 3995 and 4011 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3995 and 4011, than apply into the LCM equation.

GCF(3995,4011) = 1
LCM(3995,4011) = ( 3995 × 4011) / 1
LCM(3995,4011) = 16023945 / 1
LCM(3995,4011) = 16023945

Least Common Multiple (LCM) of 3995 and 4011 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3995 and 4011. First we will calculate the prime factors of 3995 and 4011.

Prime Factorization of 3995

Prime factors of 3995 are 5, 17, 47. Prime factorization of 3995 in exponential form is:

3995 = 51 × 171 × 471

Prime Factorization of 4011

Prime factors of 4011 are 3, 7, 191. Prime factorization of 4011 in exponential form is:

4011 = 31 × 71 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 3995 and 4011.

LCM(3995,4011) = 51 × 171 × 471 × 31 × 71 × 1911
LCM(3995,4011) = 16023945