The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
The greatest common factor of 187 and 578 is 17.
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4 x 578 = 2312 8 x 754 = 6032
578 + 945 = 1523
The 6 factors of 578 are 1, 2, 17, 34, 289, and 578. The prime factors of 578 are 2, 17, and 17.
To round 578 to the nearest 10, you look at the digit in the tens place, which is 7. Since 7 is greater than or equal to 5, you round up. Therefore, 578 rounded to the nearest 10 is 580.
578 rounded to the nearest tenth is 580