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What is the Least Common Multiple of 5609 and 5625?

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 5609 and 5625 is 31550625.

LCM(5609,5625) = 31550625

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Least Common Multiple of 5609 and 5625 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5609 and 5625, than apply into the LCM equation.

GCF(5609,5625) = 1
LCM(5609,5625) = ( 5609 × 5625) / 1
LCM(5609,5625) = 31550625 / 1
LCM(5609,5625) = 31550625

Least Common Multiple (LCM) of 5609 and 5625 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5609 and 5625. First we will calculate the prime factors of 5609 and 5625.

Prime Factorization of 5609

Prime factors of 5609 are 71, 79. Prime factorization of 5609 in exponential form is:

5609 = 711 × 791

Prime Factorization of 5625

Prime factors of 5625 are 3, 5. Prime factorization of 5625 in exponential form is:

5625 = 32 × 54

Now multiplying the highest exponent prime factors to calculate the LCM of 5609 and 5625.

LCM(5609,5625) = 711 × 791 × 32 × 54
LCM(5609,5625) = 31550625