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What is the Least Common Multiple of 25696 and 25715?

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 25696 and 25715 is 660772640.

LCM(25696,25715) = 660772640

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Least Common Multiple of 25696 and 25715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25696 and 25715, than apply into the LCM equation.

GCF(25696,25715) = 1
LCM(25696,25715) = ( 25696 × 25715) / 1
LCM(25696,25715) = 660772640 / 1
LCM(25696,25715) = 660772640

Least Common Multiple (LCM) of 25696 and 25715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25696 and 25715. First we will calculate the prime factors of 25696 and 25715.

Prime Factorization of 25696

Prime factors of 25696 are 2, 11, 73. Prime factorization of 25696 in exponential form is:

25696 = 25 × 111 × 731

Prime Factorization of 25715

Prime factors of 25715 are 5, 37, 139. Prime factorization of 25715 in exponential form is:

25715 = 51 × 371 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 25696 and 25715.

LCM(25696,25715) = 25 × 111 × 731 × 51 × 371 × 1391
LCM(25696,25715) = 660772640