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What is the Least Common Multiple of 67684 and 67700?

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 67684 and 67700 is 1145551700.

LCM(67684,67700) = 1145551700

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Least Common Multiple of 67684 and 67700 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67684 and 67700, than apply into the LCM equation.

GCF(67684,67700) = 4
LCM(67684,67700) = ( 67684 × 67700) / 4
LCM(67684,67700) = 4582206800 / 4
LCM(67684,67700) = 1145551700

Least Common Multiple (LCM) of 67684 and 67700 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67684 and 67700. First we will calculate the prime factors of 67684 and 67700.

Prime Factorization of 67684

Prime factors of 67684 are 2, 16921. Prime factorization of 67684 in exponential form is:

67684 = 22 × 169211

Prime Factorization of 67700

Prime factors of 67700 are 2, 5, 677. Prime factorization of 67700 in exponential form is:

67700 = 22 × 52 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 67684 and 67700.

LCM(67684,67700) = 22 × 169211 × 52 × 6771
LCM(67684,67700) = 1145551700