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What is the Least Common Multiple of 42921 and 42926?

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 42921 and 42926 is 1842426846.

LCM(42921,42926) = 1842426846

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Least Common Multiple of 42921 and 42926 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42921 and 42926, than apply into the LCM equation.

GCF(42921,42926) = 1
LCM(42921,42926) = ( 42921 × 42926) / 1
LCM(42921,42926) = 1842426846 / 1
LCM(42921,42926) = 1842426846

Least Common Multiple (LCM) of 42921 and 42926 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42921 and 42926. First we will calculate the prime factors of 42921 and 42926.

Prime Factorization of 42921

Prime factors of 42921 are 3, 19, 251. Prime factorization of 42921 in exponential form is:

42921 = 32 × 191 × 2511

Prime Factorization of 42926

Prime factors of 42926 are 2, 13, 127. Prime factorization of 42926 in exponential form is:

42926 = 21 × 132 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 42921 and 42926.

LCM(42921,42926) = 32 × 191 × 2511 × 21 × 132 × 1271
LCM(42921,42926) = 1842426846