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What is the Least Common Multiple of 45969 and 45981?

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 45969 and 45981 is 704566863.

LCM(45969,45981) = 704566863

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Least Common Multiple of 45969 and 45981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45969 and 45981, than apply into the LCM equation.

GCF(45969,45981) = 3
LCM(45969,45981) = ( 45969 × 45981) / 3
LCM(45969,45981) = 2113700589 / 3
LCM(45969,45981) = 704566863

Least Common Multiple (LCM) of 45969 and 45981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45969 and 45981. First we will calculate the prime factors of 45969 and 45981.

Prime Factorization of 45969

Prime factors of 45969 are 3, 7, 11, 199. Prime factorization of 45969 in exponential form is:

45969 = 31 × 71 × 111 × 1991

Prime Factorization of 45981

Prime factors of 45981 are 3, 13, 131. Prime factorization of 45981 in exponential form is:

45981 = 33 × 131 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 45969 and 45981.

LCM(45969,45981) = 33 × 71 × 111 × 1991 × 131 × 1311
LCM(45969,45981) = 704566863