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What is the Least Common Multiple of 42951 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 42951 and 42963 is 615101271.

LCM(42951,42963) = 615101271

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Least Common Multiple of 42951 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 42951 and 42963, than apply into the LCM equation.

GCF(42951,42963) = 3
LCM(42951,42963) = ( 42951 × 42963) / 3
LCM(42951,42963) = 1845303813 / 3
LCM(42951,42963) = 615101271

Least Common Multiple (LCM) of 42951 and 42963 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42951 and 42963. First we will calculate the prime factors of 42951 and 42963.

Prime Factorization of 42951

Prime factors of 42951 are 3, 103, 139. Prime factorization of 42951 in exponential form is:

42951 = 31 × 1031 × 1391

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 42951 and 42963.

LCM(42951,42963) = 31 × 1031 × 1391 × 143211
LCM(42951,42963) = 615101271