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Q: What divisibility rules can be used to find the factor pairs of 80?

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Factors are divisors. If you know the divisibility rules, you know that 80 is divisible by 1, 2, 4, 5 and 8. If you divide 80 by those numbers, you find the other half of the factor pairs.

Since 10 is an even number ending in zero, it's divisible by 2, 5 and 10. (10,1)(5,2)

Divisibility rules help you find the factors of a number. Once you've found the factors for two or more numbers, you can find what they have in common. Take 231 and 321. If you know the divisibility rules, you know that they are both divisible by 3, so 3 is a common factor.

The rules of divisibility tell you that 40 is divisible by 1, 2, 4 and 5. Dividing 40 by those numbers gives you 40, 20, 10 and 8. Writing them together gives you the factor pairs of 40. (40,1)(20,2)(10,4)(8,5)

From the rules of divisibility, we know that 40 is divisible by 1, 2, 4 and 5. Divide those numbers into 40 to get the rest. (40,1)(20,2)(10,4)(8,5)

use divisibility rules to find at least four factors of the number 19

You use divisibility rules t determine whether a particular number is (or is not) a factor of another number. If it is a factor, you can reduce the numbers involved to smaller numbers.You might want to find factors to simplify fractions or to add or subtract factions.

1 yes2 yes3 no4 yes5 yes6 no9 no10 yes(80,1)(40,2)(20,4)(16,5)(10,8)

The divisibility rules will show that 53 is not divisible by anything other than 1 and itself. Since it is already prime, it doesn't have a factorization.

84 factor is

26

they can help you by finding the two factors of the number given

100 and 7

(77,1)(11,7)

Divide 1, 2, 3, 4 and 6 into 36. The answers are the other halves of the factor pairs.

12 has three factor pairs, six if you count their negative counterparts.

Divide by 5. (65,1)(13,5)

Please give me the answer

Factor pairs are just the factors of a number listed in a different way. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)

You find a factor pair take the number that you want to find the factor pair of and divide it by a number. If the answer come out evenly then that's your factor pair EX. Factor pairs of 150 1 and 150 2 and 75 3 and 50 5 and 30 6 and 25 10 and 15

Between 35 and 40, 36 has the most factor pairs.

yes

Factors come in pairs. If you know one factor, divide it into the number. The answer will be another factor.

If you know that a number is divisible by three, then you know that three and the number that results from the dividing are both factors of the original number. If you know that a number is not divisible by three, then you won't waste time performing that function. It's rare that the first factor other than one isn't a number between two and ten. If you know the divisibility rules, it will make factoring easier and faster.

The length and breadth of a rectangle are a factor pair of the area of the rectangle.