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What is the Least Common Multiple of 42746 and 42752?

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 42746 and 42752 is 913738496.

LCM(42746,42752) = 913738496

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Least Common Multiple of 42746 and 42752 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42746 and 42752, than apply into the LCM equation.

GCF(42746,42752) = 2
LCM(42746,42752) = ( 42746 × 42752) / 2
LCM(42746,42752) = 1827476992 / 2
LCM(42746,42752) = 913738496

Least Common Multiple (LCM) of 42746 and 42752 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42746 and 42752. First we will calculate the prime factors of 42746 and 42752.

Prime Factorization of 42746

Prime factors of 42746 are 2, 11, 29, 67. Prime factorization of 42746 in exponential form is:

42746 = 21 × 111 × 291 × 671

Prime Factorization of 42752

Prime factors of 42752 are 2, 167. Prime factorization of 42752 in exponential form is:

42752 = 28 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 42746 and 42752.

LCM(42746,42752) = 28 × 111 × 291 × 671 × 1671
LCM(42746,42752) = 913738496