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What is the Least Common Multiple of 31249 and 31261?

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 31249 and 31261 is 976874989.

LCM(31249,31261) = 976874989

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Least Common Multiple of 31249 and 31261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31249 and 31261, than apply into the LCM equation.

GCF(31249,31261) = 1
LCM(31249,31261) = ( 31249 × 31261) / 1
LCM(31249,31261) = 976874989 / 1
LCM(31249,31261) = 976874989

Least Common Multiple (LCM) of 31249 and 31261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31249 and 31261. First we will calculate the prime factors of 31249 and 31261.

Prime Factorization of 31249

Prime factors of 31249 are 31249. Prime factorization of 31249 in exponential form is:

31249 = 312491

Prime Factorization of 31261

Prime factors of 31261 are 43, 727. Prime factorization of 31261 in exponential form is:

31261 = 431 × 7271

Now multiplying the highest exponent prime factors to calculate the LCM of 31249 and 31261.

LCM(31249,31261) = 312491 × 431 × 7271
LCM(31249,31261) = 976874989