1, 3, 7 and 21
The GCF is 7.
1, 3, 7 and 21
The Greatest Common Factor for 90 and 105 is 15.
Multiples of 42"Common" requires more than one number... ...multiples of 42 are 84, 126, 168, 210, etc.But there would have to be another number in order for 42 to have a common multiple.
Their least common multiple is 42.
1 is a factor of every nonzero number, so 42 would have it in common with any other number.
42 and 84
43 is a prime number so the common factors of 43 and 42 are 1
They have common factors of 1 and 2
The GCF is 21.
The GCF is 5.
The GCF is 5.