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What is the Least Common Multiple of 33621 and 33640?

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 33621 and 33640 is 1131010440.

LCM(33621,33640) = 1131010440

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Least Common Multiple of 33621 and 33640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33621 and 33640, than apply into the LCM equation.

GCF(33621,33640) = 1
LCM(33621,33640) = ( 33621 × 33640) / 1
LCM(33621,33640) = 1131010440 / 1
LCM(33621,33640) = 1131010440

Least Common Multiple (LCM) of 33621 and 33640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33621 and 33640. First we will calculate the prime factors of 33621 and 33640.

Prime Factorization of 33621

Prime factors of 33621 are 3, 7, 1601. Prime factorization of 33621 in exponential form is:

33621 = 31 × 71 × 16011

Prime Factorization of 33640

Prime factors of 33640 are 2, 5, 29. Prime factorization of 33640 in exponential form is:

33640 = 23 × 51 × 292

Now multiplying the highest exponent prime factors to calculate the LCM of 33621 and 33640.

LCM(33621,33640) = 31 × 71 × 16011 × 23 × 51 × 292
LCM(33621,33640) = 1131010440