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What is the Least Common Multiple of 91238 and 91249?

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 91238 and 91249 is 8325376262.

LCM(91238,91249) = 8325376262

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Least Common Multiple of 91238 and 91249 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91238 and 91249, than apply into the LCM equation.

GCF(91238,91249) = 1
LCM(91238,91249) = ( 91238 × 91249) / 1
LCM(91238,91249) = 8325376262 / 1
LCM(91238,91249) = 8325376262

Least Common Multiple (LCM) of 91238 and 91249 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91238 and 91249. First we will calculate the prime factors of 91238 and 91249.

Prime Factorization of 91238

Prime factors of 91238 are 2, 7, 19. Prime factorization of 91238 in exponential form is:

91238 = 21 × 74 × 191

Prime Factorization of 91249

Prime factors of 91249 are 91249. Prime factorization of 91249 in exponential form is:

91249 = 912491

Now multiplying the highest exponent prime factors to calculate the LCM of 91238 and 91249.

LCM(91238,91249) = 21 × 74 × 191 × 912491
LCM(91238,91249) = 8325376262