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