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What is the Least Common Multiple of 26280 and 26291?

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 26280 and 26291 is 690927480.

LCM(26280,26291) = 690927480

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Least Common Multiple of 26280 and 26291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26280 and 26291, than apply into the LCM equation.

GCF(26280,26291) = 1
LCM(26280,26291) = ( 26280 × 26291) / 1
LCM(26280,26291) = 690927480 / 1
LCM(26280,26291) = 690927480

Least Common Multiple (LCM) of 26280 and 26291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26280 and 26291. First we will calculate the prime factors of 26280 and 26291.

Prime Factorization of 26280

Prime factors of 26280 are 2, 3, 5, 73. Prime factorization of 26280 in exponential form is:

26280 = 23 × 32 × 51 × 731

Prime Factorization of 26291

Prime factors of 26291 are 61, 431. Prime factorization of 26291 in exponential form is:

26291 = 611 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 26280 and 26291.

LCM(26280,26291) = 23 × 32 × 51 × 731 × 611 × 4311
LCM(26280,26291) = 690927480