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What is the Least Common Multiple of 3130 and 3138?

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 3130 and 3138 is 4910970.

LCM(3130,3138) = 4910970

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Least Common Multiple of 3130 and 3138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3130 and 3138, than apply into the LCM equation.

GCF(3130,3138) = 2
LCM(3130,3138) = ( 3130 × 3138) / 2
LCM(3130,3138) = 9821940 / 2
LCM(3130,3138) = 4910970

Least Common Multiple (LCM) of 3130 and 3138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3130 and 3138. First we will calculate the prime factors of 3130 and 3138.

Prime Factorization of 3130

Prime factors of 3130 are 2, 5, 313. Prime factorization of 3130 in exponential form is:

3130 = 21 × 51 × 3131

Prime Factorization of 3138

Prime factors of 3138 are 2, 3, 523. Prime factorization of 3138 in exponential form is:

3138 = 21 × 31 × 5231

Now multiplying the highest exponent prime factors to calculate the LCM of 3130 and 3138.

LCM(3130,3138) = 21 × 51 × 3131 × 31 × 5231
LCM(3130,3138) = 4910970