Neither one.
The HCF of 686 is 686. But it's a factor as opposed to a common factor because there's only one number.
98, 196, 294, 392, 490, 588, 686, 784, 882, 980, 1078, 1176, 1274, . . .
It is: 686*50 = 34,300
1, 2, 7, 14, 49, 98, 343, 686
686 × 1 = 686 196 × 3.5 = 686 ∴ The least common multiple of 686 and 196 is 686. Hope can help you:)
The LCM of 375 and 686 is 257,250.
A common denominator, though not the least one, is 14*49 = 686.
The least common multiple (LCM) of two numbers is the smallest number that is a multiple of both numbers. In this case, the prime factorization of 49 is 7^2 and the prime factorization of 343 is 7^3. The LCM is found by taking the highest power of each prime factor that appears in either number, so the LCM of 49 and 343 is 7^3, which equals 343.
The greatest common factors of 196 and 686 is 98. Factors of 686 are 1,2,7,14,49,98,343,686 Factors of 196 are 1,2,4,7,14,28,49,98,196 GCD=98
Neither one.
The HCF of 686 is 686. But it's a factor as opposed to a common factor because there's only one number.
LCM(2, 343) = 686
The GCF is 2.
686/1000 it is actually 686/1
If the last digit doubled subtracted from the rest is a multiple of 7, the whole number is divisible by 7. Example: 686 68 - 12 = 56 56 is divisible by 7. 686 is divisible by 7.
98, 196, 294, 392, 490, 588, 686, 784, 882, 980, 1078, 1176, 1274, . . .