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