What is the LCM of 12 and 39?

What's the Least Common Multiple (LCM) of 12 and 39?

Answer

LCM of 12 and 39 is

156

First common multiples: 156, 312, 468, …

156 is divisible by both: 156 ÷ 12 = 13, 156 ÷ 39 = 4 — and 13 and 4 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/12 by 13 and of y/39 by 4.

12 = 2² × 3

39 = 3 × 13

Prime	12	39	Highest power
2	2²	—	2²
3	3	3	3
13	—	13	13

— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.

LCM = 2² × 3 × 13 = 156

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What is the LCM of 12 and 39? The LCM of 12 and 39 is 156 — the smallest common multiple of both integers.

https://calculat.io/en/number/least-common-multiple-lcm-of/12--39/generated.jpg

LCM Table

Number 1	Number 2	LCM
12	21	84
12	22	132
12	23	276
12	24	24
12	25	300
12	26	156
12	27	108
12	28	84
12	29	348
12	30	60
12	31	372
12	32	96
12	33	132
12	35	420
12	36	36
12	39	156
12	40	120
12	42	84
12	44	132
12	45	180
12	46	276
12	48	48
12	50	300
12	52	156
12	54	108
12	55	660
12	57	228
12	58	348
12	60	60
12	66	132

LCM for 12 and 39

What's the Least Common Multiple (LCM) of 12 and 39?

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LCM Table

FAQ

What's the Least Common Multiple (LCM) of 12 and 39?

How to find the LCM of 12 and 39 using prime factorization?

What is the difference between LCM and GCF?

See Also

Number 1	Number 2	LCM
12	21	84
12	22	132
12	23	276
12	24	24
12	25	300
12	26	156
12	27	108
12	28	84
12	29	348
12	30	60
12	31	372
12	32	96
12	33	132
12	35	420
12	36	36
12	39	156
12	40	120
12	42	84
12	44	132
12	45	180
12	46	276
12	48	48
12	50	300
12	52	156
12	54	108
12	55	660
12	57	228
12	58	348
12	60	60
12	66	132

Number 1	Number 2	LCM
12	21	84
12	22	132
12	23	276
12	24	24
12	25	300
12	26	156
12	27	108
12	28	84
12	29	348
12	30	60
12	31	372
12	32	96
12	33	132
12	35	420
12	36	36
12	39	156
12	40	120
12	42	84
12	44	132
12	45	180
12	46	276
12	48	48
12	50	300
12	52	156
12	54	108
12	55	660
12	57	228
12	58	348
12	60	60
12	66	132

Number 1	Number 2	LCM
12	21	84
12	22	132
12	23	276
12	24	24
12	25	300
12	26	156
12	27	108
12	28	84
12	29	348
12	30	60
12	31	372
12	32	96
12	33	132
12	35	420
12	36	36
12	39	156
12	40	120
12	42	84
12	44	132
12	45	180
12	46	276
12	48	48
12	50	300
12	52	156
12	54	108
12	55	660
12	57	228
12	58	348
12	60	60
12	66	132