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What is the Least Common Multiple of 42583 and 42603?

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 42583 and 42603 is 1814163549.

LCM(42583,42603) = 1814163549

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Least Common Multiple of 42583 and 42603 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42583 and 42603, than apply into the LCM equation.

GCF(42583,42603) = 1
LCM(42583,42603) = ( 42583 × 42603) / 1
LCM(42583,42603) = 1814163549 / 1
LCM(42583,42603) = 1814163549

Least Common Multiple (LCM) of 42583 and 42603 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42583 and 42603. First we will calculate the prime factors of 42583 and 42603.

Prime Factorization of 42583

Prime factors of 42583 are 97, 439. Prime factorization of 42583 in exponential form is:

42583 = 971 × 4391

Prime Factorization of 42603

Prime factors of 42603 are 3, 11, 1291. Prime factorization of 42603 in exponential form is:

42603 = 31 × 111 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 42583 and 42603.

LCM(42583,42603) = 971 × 4391 × 31 × 111 × 12911
LCM(42583,42603) = 1814163549