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