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What is the Least Common Multiple of 80197 and 80210?

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 80197 and 80210 is 494815490.

LCM(80197,80210) = 494815490

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Least Common Multiple of 80197 and 80210 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80197 and 80210, than apply into the LCM equation.

GCF(80197,80210) = 13
LCM(80197,80210) = ( 80197 × 80210) / 13
LCM(80197,80210) = 6432601370 / 13
LCM(80197,80210) = 494815490

Least Common Multiple (LCM) of 80197 and 80210 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80197 and 80210. First we will calculate the prime factors of 80197 and 80210.

Prime Factorization of 80197

Prime factors of 80197 are 13, 31, 199. Prime factorization of 80197 in exponential form is:

80197 = 131 × 311 × 1991

Prime Factorization of 80210

Prime factors of 80210 are 2, 5, 13, 617. Prime factorization of 80210 in exponential form is:

80210 = 21 × 51 × 131 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 80197 and 80210.

LCM(80197,80210) = 131 × 311 × 1991 × 21 × 51 × 6171
LCM(80197,80210) = 494815490