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What is the Least Common Multiple of 7939 and 7945?

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 7939 and 7945 is 63075355.

LCM(7939,7945) = 63075355

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Least Common Multiple of 7939 and 7945 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7939 and 7945, than apply into the LCM equation.

GCF(7939,7945) = 1
LCM(7939,7945) = ( 7939 × 7945) / 1
LCM(7939,7945) = 63075355 / 1
LCM(7939,7945) = 63075355

Least Common Multiple (LCM) of 7939 and 7945 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7939 and 7945. First we will calculate the prime factors of 7939 and 7945.

Prime Factorization of 7939

Prime factors of 7939 are 17, 467. Prime factorization of 7939 in exponential form is:

7939 = 171 × 4671

Prime Factorization of 7945

Prime factors of 7945 are 5, 7, 227. Prime factorization of 7945 in exponential form is:

7945 = 51 × 71 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 7939 and 7945.

LCM(7939,7945) = 171 × 4671 × 51 × 71 × 2271
LCM(7939,7945) = 63075355