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What is the Least Common Multiple of 70778 and 70798?

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 70778 and 70798 is 2505470422.

LCM(70778,70798) = 2505470422

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Least Common Multiple of 70778 and 70798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70778 and 70798, than apply into the LCM equation.

GCF(70778,70798) = 2
LCM(70778,70798) = ( 70778 × 70798) / 2
LCM(70778,70798) = 5010940844 / 2
LCM(70778,70798) = 2505470422

Least Common Multiple (LCM) of 70778 and 70798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70778 and 70798. First we will calculate the prime factors of 70778 and 70798.

Prime Factorization of 70778

Prime factors of 70778 are 2, 43, 823. Prime factorization of 70778 in exponential form is:

70778 = 21 × 431 × 8231

Prime Factorization of 70798

Prime factors of 70798 are 2, 7, 13, 389. Prime factorization of 70798 in exponential form is:

70798 = 21 × 71 × 131 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 70778 and 70798.

LCM(70778,70798) = 21 × 431 × 8231 × 71 × 131 × 3891
LCM(70778,70798) = 2505470422