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What is the Least Common Multiple of 3961 and 3973?

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 3961 and 3973 is 15737053.

LCM(3961,3973) = 15737053

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Least Common Multiple of 3961 and 3973 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3961 and 3973, than apply into the LCM equation.

GCF(3961,3973) = 1
LCM(3961,3973) = ( 3961 × 3973) / 1
LCM(3961,3973) = 15737053 / 1
LCM(3961,3973) = 15737053

Least Common Multiple (LCM) of 3961 and 3973 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3961 and 3973. First we will calculate the prime factors of 3961 and 3973.

Prime Factorization of 3961

Prime factors of 3961 are 17, 233. Prime factorization of 3961 in exponential form is:

3961 = 171 × 2331

Prime Factorization of 3973

Prime factors of 3973 are 29, 137. Prime factorization of 3973 in exponential form is:

3973 = 291 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 3961 and 3973.

LCM(3961,3973) = 171 × 2331 × 291 × 1371
LCM(3961,3973) = 15737053