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What is the Least Common Multiple of 42959 and 42963?

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 42959 and 42963 is 1845647517.

LCM(42959,42963) = 1845647517

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Least Common Multiple of 42959 and 42963 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42959 and 42963, than apply into the LCM equation.

GCF(42959,42963) = 1
LCM(42959,42963) = ( 42959 × 42963) / 1
LCM(42959,42963) = 1845647517 / 1
LCM(42959,42963) = 1845647517

Least Common Multiple (LCM) of 42959 and 42963 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42959 and 42963. First we will calculate the prime factors of 42959 and 42963.

Prime Factorization of 42959

Prime factors of 42959 are 7, 17, 19. Prime factorization of 42959 in exponential form is:

42959 = 71 × 171 × 192

Prime Factorization of 42963

Prime factors of 42963 are 3, 14321. Prime factorization of 42963 in exponential form is:

42963 = 31 × 143211

Now multiplying the highest exponent prime factors to calculate the LCM of 42959 and 42963.

LCM(42959,42963) = 71 × 171 × 192 × 31 × 143211
LCM(42959,42963) = 1845647517