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What is the Least Common Multiple of 3958 and 3965?

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 3958 and 3965 is 15693470.

LCM(3958,3965) = 15693470

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Least Common Multiple of 3958 and 3965 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3958 and 3965, than apply into the LCM equation.

GCF(3958,3965) = 1
LCM(3958,3965) = ( 3958 × 3965) / 1
LCM(3958,3965) = 15693470 / 1
LCM(3958,3965) = 15693470

Least Common Multiple (LCM) of 3958 and 3965 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3958 and 3965. First we will calculate the prime factors of 3958 and 3965.

Prime Factorization of 3958

Prime factors of 3958 are 2, 1979. Prime factorization of 3958 in exponential form is:

3958 = 21 × 19791

Prime Factorization of 3965

Prime factors of 3965 are 5, 13, 61. Prime factorization of 3965 in exponential form is:

3965 = 51 × 131 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 3958 and 3965.

LCM(3958,3965) = 21 × 19791 × 51 × 131 × 611
LCM(3958,3965) = 15693470