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What is the Least Common Multiple of 3121 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 3121 and 3135 is 9784335.

LCM(3121,3135) = 9784335

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Least Common Multiple of 3121 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 3121 and 3135, than apply into the LCM equation.

GCF(3121,3135) = 1
LCM(3121,3135) = ( 3121 × 3135) / 1
LCM(3121,3135) = 9784335 / 1
LCM(3121,3135) = 9784335

Least Common Multiple (LCM) of 3121 and 3135 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3121 and 3135. First we will calculate the prime factors of 3121 and 3135.

Prime Factorization of 3121

Prime factors of 3121 are 3121. Prime factorization of 3121 in exponential form is:

3121 = 31211

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 3121 and 3135.

LCM(3121,3135) = 31211 × 31 × 51 × 111 × 191
LCM(3121,3135) = 9784335