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What are all the numbers less than 100 that have odd proper factors?
There are 10 numbers less than 101 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100.
Is there a number with 12 factors?
No odd number less than hundred has 12 factors other numbers which has 12 factors are 60, 72, 84, 90 and 96. But they all are even numbers. The answer will be different if you consider negative numbers, however.
What are the numbers less than 100 that also have 11 as a factors?
11,22,33,44,55,66,77,88,99
What are 3 numbers less than 50 that have exactly 2 factors?
4, 9, 25 and 49 They are squares of prime numbers.
How can you determine if the least common multiple of 2 numbers is the product of the 2 numbers or less than the product of the 2 numbers?
If the GCF of a given pair of numbers is 1, the LCM will be equal to their product. If the GCF is greater than 1, the LCM will be less than their product. Or, stated another way, if the two numbers have no common prime factors, their LCM will be their product.
Which numbers less than 100 have even proper factors?
All even numbers greater than 2 have even proper factors, since they all have 2 as a proper factor.
The sum of the proper factors of 4 is less than 4 List all the numbers through 50 for which the sum of its proper factors is one less than the number itself?
The numbers for which the sum of its proper factors is 1 less than the number is the powers of 2; less than 50 these are: 2, 4, 8, 16 & 32.
Which numbers less than 100 have odd proper factors?
Square numbers, like 36 and 64.
What whole number which is odd less than a hundred has the most factors as the even number?
There are four odd numbers less that 100 that have 6 factor. This does not compare with even numbers that have 12 factors!
Which whole numbers less than a hundred have the most factors?
60, 72, 84, 90 and 96 each have twelve factors.
What are three numbers less than one hundred with exactly four factors?
0, 1, 2, 3
What odd number less than a hundred has the most factors?
The most factors any odd number less than 100 has is 6. There are 4 numbers which have 6 factors:45, 63, 75 & 99.
What are all the numbers less than 100 that have odd proper factors?
There are 10 numbers less than 101 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100.
What are two consecutive numbers less than 100 that have four proper factors?
44 and 45 75 and 76 98 and 99
What are the prime numbers less than one hundred?
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97
What numbers would have less than two factors?
Prime numbers
Are mixed numbers less than proper fractions?
No.
