Oh, what a happy little question! To find a number with 8 factors, we look for numbers that can be expressed as the product of two prime numbers. The smallest number less than 50 with 8 factors is 30, which can be written as 2 x 3 x 5. Keep exploring and painting with numbers, there are so many beautiful patterns to discover!
42
We won't be able to find factors of 80 that are not factors of 80. The factors of 80 that aren't factors of 42 are 4, 5, 8, 10, 16, 20, 40 and 80.
The common factors of 42 and 54 are: 1, 2, 3, and 6
I am pretty sure, well ya I'm really sure that it's 1, 2, 21,40, and 42.
42 & 49 !
the factors of 42 are 1,42,6,7,2,21,3,14
40+2 = 42
The GCF of 40 and 42 is 2.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The number 42 can be divided by each of these factors. Since 42 can be divided by 3 and 7, they are factors of 42.
The factors of 42 are 1,2,3,6,7,14,21,42. The factors of 66 are 1,2,3,6,11,22,33,66
The composite factors of 42 are: 6, 14, 21, 42.