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What is the Least Common Multiple of 70821 and 70834?

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 70821 and 70834 is 5016534714.

LCM(70821,70834) = 5016534714

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Least Common Multiple of 70821 and 70834 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70821 and 70834, than apply into the LCM equation.

GCF(70821,70834) = 1
LCM(70821,70834) = ( 70821 × 70834) / 1
LCM(70821,70834) = 5016534714 / 1
LCM(70821,70834) = 5016534714

Least Common Multiple (LCM) of 70821 and 70834 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70821 and 70834. First we will calculate the prime factors of 70821 and 70834.

Prime Factorization of 70821

Prime factors of 70821 are 3, 43, 61. Prime factorization of 70821 in exponential form is:

70821 = 33 × 431 × 611

Prime Factorization of 70834

Prime factors of 70834 are 2, 107, 331. Prime factorization of 70834 in exponential form is:

70834 = 21 × 1071 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 70821 and 70834.

LCM(70821,70834) = 33 × 431 × 611 × 21 × 1071 × 3311
LCM(70821,70834) = 5016534714