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What is the Least Common Multiple of 85211 and 85221?

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 85211 and 85221 is 7261766631.

LCM(85211,85221) = 7261766631

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Least Common Multiple of 85211 and 85221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85211 and 85221, than apply into the LCM equation.

GCF(85211,85221) = 1
LCM(85211,85221) = ( 85211 × 85221) / 1
LCM(85211,85221) = 7261766631 / 1
LCM(85211,85221) = 7261766631

Least Common Multiple (LCM) of 85211 and 85221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85211 and 85221. First we will calculate the prime factors of 85211 and 85221.

Prime Factorization of 85211

Prime factors of 85211 are 7, 37, 47. Prime factorization of 85211 in exponential form is:

85211 = 72 × 371 × 471

Prime Factorization of 85221

Prime factors of 85221 are 3, 17, 557. Prime factorization of 85221 in exponential form is:

85221 = 32 × 171 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 85211 and 85221.

LCM(85211,85221) = 72 × 371 × 471 × 32 × 171 × 5571
LCM(85211,85221) = 7261766631