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What is the Least Common Multiple of 25156 and 25172?

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 25156 and 25172 is 158306708.

LCM(25156,25172) = 158306708

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Least Common Multiple of 25156 and 25172 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25156 and 25172, than apply into the LCM equation.

GCF(25156,25172) = 4
LCM(25156,25172) = ( 25156 × 25172) / 4
LCM(25156,25172) = 633226832 / 4
LCM(25156,25172) = 158306708

Least Common Multiple (LCM) of 25156 and 25172 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25156 and 25172. First we will calculate the prime factors of 25156 and 25172.

Prime Factorization of 25156

Prime factors of 25156 are 2, 19, 331. Prime factorization of 25156 in exponential form is:

25156 = 22 × 191 × 3311

Prime Factorization of 25172

Prime factors of 25172 are 2, 7, 29, 31. Prime factorization of 25172 in exponential form is:

25172 = 22 × 71 × 291 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 25156 and 25172.

LCM(25156,25172) = 22 × 191 × 3311 × 71 × 291 × 311
LCM(25156,25172) = 158306708