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What is the Least Common Multiple of 3142 and 3151?

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 3142 and 3151 is 9900442.

LCM(3142,3151) = 9900442

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Least Common Multiple of 3142 and 3151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3142 and 3151, than apply into the LCM equation.

GCF(3142,3151) = 1
LCM(3142,3151) = ( 3142 × 3151) / 1
LCM(3142,3151) = 9900442 / 1
LCM(3142,3151) = 9900442

Least Common Multiple (LCM) of 3142 and 3151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3142 and 3151. First we will calculate the prime factors of 3142 and 3151.

Prime Factorization of 3142

Prime factors of 3142 are 2, 1571. Prime factorization of 3142 in exponential form is:

3142 = 21 × 15711

Prime Factorization of 3151

Prime factors of 3151 are 23, 137. Prime factorization of 3151 in exponential form is:

3151 = 231 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 3142 and 3151.

LCM(3142,3151) = 21 × 15711 × 231 × 1371
LCM(3142,3151) = 9900442