Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {2, 8, 12, 25, 11, 29} → ______
- Prime numbers in {9, 27, 8, 29, 3, 11} → ______
- Prime numbers in {23, 21, 12, 9, 19, 3} → ______
- Prime numbers in {13, 7, 23, 9, 2, 25} → ______
- Prime numbers in {13, 8, 19, 2, 21, 23} → ______
- Prime numbers in {17, 25, 27, 9, 19, 15} → ______
- Prime numbers in {11, 15, 25, 2, 19, 23} → ______
- Prime numbers in {23, 12, 21, 11, 2, 27} → ______
- Prime numbers in {23, 8, 27, 29, 5, 3} → ______
- Prime numbers in {29, 5, 13, 27, 21, 11} → ______
- Prime numbers in {2, 23, 21, 5, 3, 17} → ______
- Prime numbers in {13, 27, 3, 8, 21, 9} → ______
- Prime numbers in {2, 13, 9, 29, 8, 12} → ______
- Prime numbers in {23, 3, 17, 5, 25, 2} → ______
- Prime numbers in {13, 21, 8, 2, 25, 27} → ______
- Prime numbers in {15, 9, 11, 25, 3, 27} → ______
- Prime numbers in {13, 5, 25, 23, 19, 15} → ______
- Prime numbers in {7, 11, 5, 8, 21, 9} → ______
- Prime numbers in {11, 3, 2, 15, 23, 19} → ______
- Prime numbers in {25, 2, 12, 3, 15, 9} → ______