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