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What is the Least Common Multiple of 49640 and 49658?

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 49640 and 49658 is 1232511560.

LCM(49640,49658) = 1232511560

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Least Common Multiple of 49640 and 49658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 49640 and 49658, than apply into the LCM equation.

GCF(49640,49658) = 2
LCM(49640,49658) = ( 49640 × 49658) / 2
LCM(49640,49658) = 2465023120 / 2
LCM(49640,49658) = 1232511560

Least Common Multiple (LCM) of 49640 and 49658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 49640 and 49658. First we will calculate the prime factors of 49640 and 49658.

Prime Factorization of 49640

Prime factors of 49640 are 2, 5, 17, 73. Prime factorization of 49640 in exponential form is:

49640 = 23 × 51 × 171 × 731

Prime Factorization of 49658

Prime factors of 49658 are 2, 7, 3547. Prime factorization of 49658 in exponential form is:

49658 = 21 × 71 × 35471

Now multiplying the highest exponent prime factors to calculate the LCM of 49640 and 49658.

LCM(49640,49658) = 23 × 51 × 171 × 731 × 71 × 35471
LCM(49640,49658) = 1232511560