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