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What is the Least Common Multiple of 3157 and 3161?

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 3157 and 3161 is 9979277.

LCM(3157,3161) = 9979277

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Least Common Multiple of 3157 and 3161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3157 and 3161, than apply into the LCM equation.

GCF(3157,3161) = 1
LCM(3157,3161) = ( 3157 × 3161) / 1
LCM(3157,3161) = 9979277 / 1
LCM(3157,3161) = 9979277

Least Common Multiple (LCM) of 3157 and 3161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3157 and 3161. First we will calculate the prime factors of 3157 and 3161.

Prime Factorization of 3157

Prime factors of 3157 are 7, 11, 41. Prime factorization of 3157 in exponential form is:

3157 = 71 × 111 × 411

Prime Factorization of 3161

Prime factors of 3161 are 29, 109. Prime factorization of 3161 in exponential form is:

3161 = 291 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 3157 and 3161.

LCM(3157,3161) = 71 × 111 × 411 × 291 × 1091
LCM(3157,3161) = 9979277