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