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What is the Least Common Multiple of 42533 and 42553?

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 42533 and 42553 is 1809906749.

LCM(42533,42553) = 1809906749

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Least Common Multiple of 42533 and 42553 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42533 and 42553, than apply into the LCM equation.

GCF(42533,42553) = 1
LCM(42533,42553) = ( 42533 × 42553) / 1
LCM(42533,42553) = 1809906749 / 1
LCM(42533,42553) = 1809906749

Least Common Multiple (LCM) of 42533 and 42553 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42533 and 42553. First we will calculate the prime factors of 42533 and 42553.

Prime Factorization of 42533

Prime factors of 42533 are 42533. Prime factorization of 42533 in exponential form is:

42533 = 425331

Prime Factorization of 42553

Prime factors of 42553 are 7, 6079. Prime factorization of 42553 in exponential form is:

42553 = 71 × 60791

Now multiplying the highest exponent prime factors to calculate the LCM of 42533 and 42553.

LCM(42533,42553) = 425331 × 71 × 60791
LCM(42533,42553) = 1809906749