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What is the Least Common Multiple of 66955 and 66974?

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 66955 and 66974 is 4484244170.

LCM(66955,66974) = 4484244170

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Least Common Multiple of 66955 and 66974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66955 and 66974, than apply into the LCM equation.

GCF(66955,66974) = 1
LCM(66955,66974) = ( 66955 × 66974) / 1
LCM(66955,66974) = 4484244170 / 1
LCM(66955,66974) = 4484244170

Least Common Multiple (LCM) of 66955 and 66974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66955 and 66974. First we will calculate the prime factors of 66955 and 66974.

Prime Factorization of 66955

Prime factors of 66955 are 5, 7, 1913. Prime factorization of 66955 in exponential form is:

66955 = 51 × 71 × 19131

Prime Factorization of 66974

Prime factors of 66974 are 2, 33487. Prime factorization of 66974 in exponential form is:

66974 = 21 × 334871

Now multiplying the highest exponent prime factors to calculate the LCM of 66955 and 66974.

LCM(66955,66974) = 51 × 71 × 19131 × 21 × 334871
LCM(66955,66974) = 4484244170