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What is the Least Common Multiple of 20265 and 20276?

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 20265 and 20276 is 410893140.

LCM(20265,20276) = 410893140

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Least Common Multiple of 20265 and 20276 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20265 and 20276, than apply into the LCM equation.

GCF(20265,20276) = 1
LCM(20265,20276) = ( 20265 × 20276) / 1
LCM(20265,20276) = 410893140 / 1
LCM(20265,20276) = 410893140

Least Common Multiple (LCM) of 20265 and 20276 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20265 and 20276. First we will calculate the prime factors of 20265 and 20276.

Prime Factorization of 20265

Prime factors of 20265 are 3, 5, 7, 193. Prime factorization of 20265 in exponential form is:

20265 = 31 × 51 × 71 × 1931

Prime Factorization of 20276

Prime factors of 20276 are 2, 37, 137. Prime factorization of 20276 in exponential form is:

20276 = 22 × 371 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 20265 and 20276.

LCM(20265,20276) = 31 × 51 × 71 × 1931 × 22 × 371 × 1371
LCM(20265,20276) = 410893140