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What is the Least Common Multiple of 70623 and 70631?

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 70623 and 70631 is 4988173113.

LCM(70623,70631) = 4988173113

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Least Common Multiple of 70623 and 70631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70623 and 70631, than apply into the LCM equation.

GCF(70623,70631) = 1
LCM(70623,70631) = ( 70623 × 70631) / 1
LCM(70623,70631) = 4988173113 / 1
LCM(70623,70631) = 4988173113

Least Common Multiple (LCM) of 70623 and 70631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70623 and 70631. First we will calculate the prime factors of 70623 and 70631.

Prime Factorization of 70623

Prime factors of 70623 are 3, 7, 19, 59. Prime factorization of 70623 in exponential form is:

70623 = 32 × 71 × 191 × 591

Prime Factorization of 70631

Prime factors of 70631 are 11, 6421. Prime factorization of 70631 in exponential form is:

70631 = 111 × 64211

Now multiplying the highest exponent prime factors to calculate the LCM of 70623 and 70631.

LCM(70623,70631) = 32 × 71 × 191 × 591 × 111 × 64211
LCM(70623,70631) = 4988173113