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Least Common Multiple of 201 and 210

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 201 and 210 is 14070.

LCM(201,210) = 14070

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Least Common Multiple of 201 and 210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 201 and 210, than apply into the LCM equation.

GCF(201,210) = 3
LCM(201,210) = ( 201 × 210) / 3
LCM(201,210) = 42210 / 3
LCM(201,210) = 14070

Least Common Multiple (LCM) of 201 and 210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 201 and 210. First we will calculate the prime factors of 201 and 210.

Prime Factorization of 201

Prime factors of 201 are 3, 67. Prime factorization of 201 in exponential form is:

201 = 31 × 671

Prime Factorization of 210

Prime factors of 210 are 2, 3, 5, 7. Prime factorization of 210 in exponential form is:

210 = 21 × 31 × 51 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 201 and 210.

LCM(201,210) = 31 × 671 × 21 × 51 × 71
LCM(201,210) = 14070

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