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What is the Least Common Multiple of 28201 and 28210?

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 28201 and 28210 is 795550210.

LCM(28201,28210) = 795550210

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Least Common Multiple of 28201 and 28210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28201 and 28210, than apply into the LCM equation.

GCF(28201,28210) = 1
LCM(28201,28210) = ( 28201 × 28210) / 1
LCM(28201,28210) = 795550210 / 1
LCM(28201,28210) = 795550210

Least Common Multiple (LCM) of 28201 and 28210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28201 and 28210. First we will calculate the prime factors of 28201 and 28210.

Prime Factorization of 28201

Prime factors of 28201 are 28201. Prime factorization of 28201 in exponential form is:

28201 = 282011

Prime Factorization of 28210

Prime factors of 28210 are 2, 5, 7, 13, 31. Prime factorization of 28210 in exponential form is:

28210 = 21 × 51 × 71 × 131 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 28201 and 28210.

LCM(28201,28210) = 282011 × 21 × 51 × 71 × 131 × 311
LCM(28201,28210) = 795550210