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What is the Least Common Multiple of 3131 and 3135?

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 3131 and 3135 is 9815685.

LCM(3131,3135) = 9815685

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Least Common Multiple of 3131 and 3135 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3131 and 3135, than apply into the LCM equation.

GCF(3131,3135) = 1
LCM(3131,3135) = ( 3131 × 3135) / 1
LCM(3131,3135) = 9815685 / 1
LCM(3131,3135) = 9815685

Least Common Multiple (LCM) of 3131 and 3135 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3131 and 3135. First we will calculate the prime factors of 3131 and 3135.

Prime Factorization of 3131

Prime factors of 3131 are 31, 101. Prime factorization of 3131 in exponential form is:

3131 = 311 × 1011

Prime Factorization of 3135

Prime factors of 3135 are 3, 5, 11, 19. Prime factorization of 3135 in exponential form is:

3135 = 31 × 51 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 3131 and 3135.

LCM(3131,3135) = 311 × 1011 × 31 × 51 × 111 × 191
LCM(3131,3135) = 9815685