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What is the Least Common Multiple of 49742 and 49749?

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 49742 and 49749 is 353516394.

LCM(49742,49749) = 353516394

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Least Common Multiple of 49742 and 49749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49742 and 49749, than apply into the LCM equation.

GCF(49742,49749) = 7
LCM(49742,49749) = ( 49742 × 49749) / 7
LCM(49742,49749) = 2474614758 / 7
LCM(49742,49749) = 353516394

Least Common Multiple (LCM) of 49742 and 49749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49742 and 49749. First we will calculate the prime factors of 49742 and 49749.

Prime Factorization of 49742

Prime factors of 49742 are 2, 7, 11, 17, 19. Prime factorization of 49742 in exponential form is:

49742 = 21 × 71 × 111 × 171 × 191

Prime Factorization of 49749

Prime factors of 49749 are 3, 7, 23, 103. Prime factorization of 49749 in exponential form is:

49749 = 31 × 71 × 231 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 49742 and 49749.

LCM(49742,49749) = 21 × 71 × 111 × 171 × 191 × 31 × 231 × 1031
LCM(49742,49749) = 353516394