1,2,4,5,10,20 (the factors of 20)
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Common factors have to go into both numbers. The only common factor of 20 and 27 is 1.
To find how many three-digit numbers are multiples of 20, we need to determine the range of three-digit numbers divisible by 20. The smallest three-digit number divisible by 20 is 100, and the largest is 980. To find the count of numbers in this range, we can divide the largest number by 20 and subtract the result of dividing the smallest number by 20, then add 1 to account for the inclusive range. Therefore, the number of three-digit multiples of 20 is (980/20) - (100/20) + 1 = 49 - 5 + 1 = 45.
The numbers that go into 63 are 1, 3, 7, 9, 21, and 63. The numbers that go into 20 are 1, 2, 4, 5, 10, and 20.
No. A factor is a number or algebraic expression by which another is exactly divisible. A multiple is a number that can be divided by another number without a remainder. Factors go into numbers, numbers go into multiples.
Seven: 10, 16, 20, 25, 40, 50, 80.