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 {13, 2, 17, 29, 12, 19} → ______
- Prime numbers in {13, 11, 21, 25, 9, 2} → ______
- Prime numbers in {13, 15, 25, 17, 12, 9} → ______
- Prime numbers in {19, 17, 3, 5, 25, 13} → ______
- Prime numbers in {17, 21, 3, 2, 7, 8} → ______
- Prime numbers in {29, 5, 9, 2, 25, 3} → ______
- Prime numbers in {21, 8, 13, 23, 25, 9} → ______
- Prime numbers in {2, 12, 3, 17, 9, 25} → ______
- Prime numbers in {21, 5, 12, 23, 9, 15} → ______
- Prime numbers in {21, 2, 11, 12, 29, 15} → ______
- Prime numbers in {29, 23, 15, 12, 25, 21} → ______
- Prime numbers in {8, 5, 21, 23, 3, 17} → ______
- Prime numbers in {2, 9, 23, 12, 19, 8} → ______
- Prime numbers in {15, 29, 11, 27, 25, 5} → ______
- Prime numbers in {15, 3, 27, 9, 11, 23} → ______
- Prime numbers in {29, 3, 8, 25, 9, 12} → ______
- Prime numbers in {7, 15, 19, 2, 29, 27} → ______
- Prime numbers in {13, 3, 25, 19, 9, 17} → ______
- Prime numbers in {17, 29, 15, 25, 21, 9} → ______
- Prime numbers in {23, 13, 3, 9, 19, 2} → ______