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What is the Least Common Multiple of 14 and 25?

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 14 and 25 is 350.

LCM(14,25) = 350

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Least Common Multiple of 14 and 25 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14 and 25, than apply into the LCM equation.

GCF(14,25) = 1
LCM(14,25) = ( 14 × 25) / 1
LCM(14,25) = 350 / 1
LCM(14,25) = 350

Least Common Multiple (LCM) of 14 and 25 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14 and 25. First we will calculate the prime factors of 14 and 25.

Prime Factorization of 14

Prime factors of 14 are 2, 7. Prime factorization of 14 in exponential form is:

14 = 21 × 71

Prime Factorization of 25

Prime factors of 25 are 5. Prime factorization of 25 in exponential form is:

25 = 52

Now multiplying the highest exponent prime factors to calculate the LCM of 14 and 25.

LCM(14,25) = 21 × 71 × 52
LCM(14,25) = 350

Recent Comments
V 2018-10-22 16:40:14

Very helpful

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