578 + 945 = 1523
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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
The factors of 945 are 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945. The prime factors of 945 are 3, 5, and 7.
3 x 3 x 3 x 5 x 7 = 945 33 x 5 x 7 = 945