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What is the Least Common Multiple of 42732 and 42749?

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 42732 and 42749 is 1826750268.

LCM(42732,42749) = 1826750268

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Least Common Multiple of 42732 and 42749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42732 and 42749, than apply into the LCM equation.

GCF(42732,42749) = 1
LCM(42732,42749) = ( 42732 × 42749) / 1
LCM(42732,42749) = 1826750268 / 1
LCM(42732,42749) = 1826750268

Least Common Multiple (LCM) of 42732 and 42749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42732 and 42749. First we will calculate the prime factors of 42732 and 42749.

Prime Factorization of 42732

Prime factors of 42732 are 2, 3, 1187. Prime factorization of 42732 in exponential form is:

42732 = 22 × 32 × 11871

Prime Factorization of 42749

Prime factors of 42749 are 7, 31, 197. Prime factorization of 42749 in exponential form is:

42749 = 71 × 311 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 42732 and 42749.

LCM(42732,42749) = 22 × 32 × 11871 × 71 × 311 × 1971
LCM(42732,42749) = 1826750268