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What is the Least Common Multiple of 1695 and 1710?

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 1695 and 1710 is 193230.

LCM(1695,1710) = 193230

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Least Common Multiple of 1695 and 1710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1695 and 1710, than apply into the LCM equation.

GCF(1695,1710) = 15
LCM(1695,1710) = ( 1695 × 1710) / 15
LCM(1695,1710) = 2898450 / 15
LCM(1695,1710) = 193230

Least Common Multiple (LCM) of 1695 and 1710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1695 and 1710. First we will calculate the prime factors of 1695 and 1710.

Prime Factorization of 1695

Prime factors of 1695 are 3, 5, 113. Prime factorization of 1695 in exponential form is:

1695 = 31 × 51 × 1131

Prime Factorization of 1710

Prime factors of 1710 are 2, 3, 5, 19. Prime factorization of 1710 in exponential form is:

1710 = 21 × 32 × 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 1695 and 1710.

LCM(1695,1710) = 32 × 51 × 1131 × 21 × 191
LCM(1695,1710) = 193230