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What is the Least Common Multiple of 25972 and 25980?

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 25972 and 25980 is 168688140.

LCM(25972,25980) = 168688140

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Least Common Multiple of 25972 and 25980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25972 and 25980, than apply into the LCM equation.

GCF(25972,25980) = 4
LCM(25972,25980) = ( 25972 × 25980) / 4
LCM(25972,25980) = 674752560 / 4
LCM(25972,25980) = 168688140

Least Common Multiple (LCM) of 25972 and 25980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25972 and 25980. First we will calculate the prime factors of 25972 and 25980.

Prime Factorization of 25972

Prime factors of 25972 are 2, 43, 151. Prime factorization of 25972 in exponential form is:

25972 = 22 × 431 × 1511

Prime Factorization of 25980

Prime factors of 25980 are 2, 3, 5, 433. Prime factorization of 25980 in exponential form is:

25980 = 22 × 31 × 51 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 25972 and 25980.

LCM(25972,25980) = 22 × 431 × 1511 × 31 × 51 × 4331
LCM(25972,25980) = 168688140