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