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What is the Least Common Multiple of 31954 and 31965?

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 31954 and 31965 is 1021409610.

LCM(31954,31965) = 1021409610

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Least Common Multiple of 31954 and 31965 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31954 and 31965, than apply into the LCM equation.

GCF(31954,31965) = 1
LCM(31954,31965) = ( 31954 × 31965) / 1
LCM(31954,31965) = 1021409610 / 1
LCM(31954,31965) = 1021409610

Least Common Multiple (LCM) of 31954 and 31965 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31954 and 31965. First we will calculate the prime factors of 31954 and 31965.

Prime Factorization of 31954

Prime factors of 31954 are 2, 13, 1229. Prime factorization of 31954 in exponential form is:

31954 = 21 × 131 × 12291

Prime Factorization of 31965

Prime factors of 31965 are 3, 5, 2131. Prime factorization of 31965 in exponential form is:

31965 = 31 × 51 × 21311

Now multiplying the highest exponent prime factors to calculate the LCM of 31954 and 31965.

LCM(31954,31965) = 21 × 131 × 12291 × 31 × 51 × 21311
LCM(31954,31965) = 1021409610