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What is the Least Common Multiple of 50 and 63?

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 50 and 63 is 3150.

LCM(50,63) = 3150

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Least Common Multiple of 50 and 63 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 50 and 63, than apply into the LCM equation.

GCF(50,63) = 1
LCM(50,63) = ( 50 × 63) / 1
LCM(50,63) = 3150 / 1
LCM(50,63) = 3150

Least Common Multiple (LCM) of 50 and 63 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 50 and 63. First we will calculate the prime factors of 50 and 63.

Prime Factorization of 50

Prime factors of 50 are 2, 5. Prime factorization of 50 in exponential form is:

50 = 21 × 52

Prime Factorization of 63

Prime factors of 63 are 3, 7. Prime factorization of 63 in exponential form is:

63 = 32 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 50 and 63.

LCM(50,63) = 21 × 52 × 32 × 71
LCM(50,63) = 3150

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