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What is the Least Common Multiple of 63905 and 63918?

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 63905 and 63918 is 4084679790.

LCM(63905,63918) = 4084679790

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Least Common Multiple of 63905 and 63918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63905 and 63918, than apply into the LCM equation.

GCF(63905,63918) = 1
LCM(63905,63918) = ( 63905 × 63918) / 1
LCM(63905,63918) = 4084679790 / 1
LCM(63905,63918) = 4084679790

Least Common Multiple (LCM) of 63905 and 63918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63905 and 63918. First we will calculate the prime factors of 63905 and 63918.

Prime Factorization of 63905

Prime factors of 63905 are 5, 12781. Prime factorization of 63905 in exponential form is:

63905 = 51 × 127811

Prime Factorization of 63918

Prime factors of 63918 are 2, 3, 53, 67. Prime factorization of 63918 in exponential form is:

63918 = 21 × 32 × 531 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 63905 and 63918.

LCM(63905,63918) = 51 × 127811 × 21 × 32 × 531 × 671
LCM(63905,63918) = 4084679790