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Least Common Multiple of 35 and 49

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 35 and 49 is 245.

LCM(35,49) = 245

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Least Common Multiple of 35 and 49 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 35 and 49, than apply into the LCM equation.

GCF(35,49) = 7
LCM(35,49) = ( 35 × 49) / 7
LCM(35,49) = 1715 / 7
LCM(35,49) = 245

Least Common Multiple (LCM) of 35 and 49 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 35 and 49. First we will calculate the prime factors of 35 and 49.

Prime Factorization of 35

Prime factors of 35 are 5, 7. Prime factorization of 35 in exponential form is:

35 = 51 × 71

Prime Factorization of 49

Prime factors of 49 are 7. Prime factorization of 49 in exponential form is:

49 = 72

Now multiplying the highest exponent prime factors to calculate the LCM of 35 and 49.

LCM(35,49) = 51 × 72
LCM(35,49) = 245

Recent Comments
Sanjib Phukan 2020-04-08 00:45:53

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