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What is the Least Common Multiple of 70964 and 70984?

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 70964 and 70984 is 1259327144.

LCM(70964,70984) = 1259327144

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Least Common Multiple of 70964 and 70984 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70964 and 70984, than apply into the LCM equation.

GCF(70964,70984) = 4
LCM(70964,70984) = ( 70964 × 70984) / 4
LCM(70964,70984) = 5037308576 / 4
LCM(70964,70984) = 1259327144

Least Common Multiple (LCM) of 70964 and 70984 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70964 and 70984. First we will calculate the prime factors of 70964 and 70984.

Prime Factorization of 70964

Prime factors of 70964 are 2, 113, 157. Prime factorization of 70964 in exponential form is:

70964 = 22 × 1131 × 1571

Prime Factorization of 70984

Prime factors of 70984 are 2, 19, 467. Prime factorization of 70984 in exponential form is:

70984 = 23 × 191 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 70964 and 70984.

LCM(70964,70984) = 23 × 1131 × 1571 × 191 × 4671
LCM(70964,70984) = 1259327144