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What is the Least Common Multiple of 42544 and 42550?

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 42544 and 42550 is 905123600.

LCM(42544,42550) = 905123600

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Least Common Multiple of 42544 and 42550 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42544 and 42550, than apply into the LCM equation.

GCF(42544,42550) = 2
LCM(42544,42550) = ( 42544 × 42550) / 2
LCM(42544,42550) = 1810247200 / 2
LCM(42544,42550) = 905123600

Least Common Multiple (LCM) of 42544 and 42550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42544 and 42550. First we will calculate the prime factors of 42544 and 42550.

Prime Factorization of 42544

Prime factors of 42544 are 2, 2659. Prime factorization of 42544 in exponential form is:

42544 = 24 × 26591

Prime Factorization of 42550

Prime factors of 42550 are 2, 5, 23, 37. Prime factorization of 42550 in exponential form is:

42550 = 21 × 52 × 231 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 42544 and 42550.

LCM(42544,42550) = 24 × 26591 × 52 × 231 × 371
LCM(42544,42550) = 905123600