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What is the Least Common Multiple of 4157 and 4171?

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 4157 and 4171 is 17338847.

LCM(4157,4171) = 17338847

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Least Common Multiple of 4157 and 4171 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4157 and 4171, than apply into the LCM equation.

GCF(4157,4171) = 1
LCM(4157,4171) = ( 4157 × 4171) / 1
LCM(4157,4171) = 17338847 / 1
LCM(4157,4171) = 17338847

Least Common Multiple (LCM) of 4157 and 4171 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4157 and 4171. First we will calculate the prime factors of 4157 and 4171.

Prime Factorization of 4157

Prime factors of 4157 are 4157. Prime factorization of 4157 in exponential form is:

4157 = 41571

Prime Factorization of 4171

Prime factors of 4171 are 43, 97. Prime factorization of 4171 in exponential form is:

4171 = 431 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 4157 and 4171.

LCM(4157,4171) = 41571 × 431 × 971
LCM(4157,4171) = 17338847