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What is the Least Common Multiple of 42506 and 42523?

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 42506 and 42523 is 1807482638.

LCM(42506,42523) = 1807482638

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Least Common Multiple of 42506 and 42523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42506 and 42523, than apply into the LCM equation.

GCF(42506,42523) = 1
LCM(42506,42523) = ( 42506 × 42523) / 1
LCM(42506,42523) = 1807482638 / 1
LCM(42506,42523) = 1807482638

Least Common Multiple (LCM) of 42506 and 42523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42506 and 42523. First we will calculate the prime factors of 42506 and 42523.

Prime Factorization of 42506

Prime factors of 42506 are 2, 53, 401. Prime factorization of 42506 in exponential form is:

42506 = 21 × 531 × 4011

Prime Factorization of 42523

Prime factors of 42523 are 13, 3271. Prime factorization of 42523 in exponential form is:

42523 = 131 × 32711

Now multiplying the highest exponent prime factors to calculate the LCM of 42506 and 42523.

LCM(42506,42523) = 21 × 531 × 4011 × 131 × 32711
LCM(42506,42523) = 1807482638